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The Cidr Report
by cidr-report＠potaroo.net 18 Feb '05

18 Feb '05

This report has been generated at Fri Feb 18 21:44:32 2005 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 11-02-05 154341 104239 12-02-05 151889 104225 13-02-05 151910 104234 14-02-05 151896 104250 15-02-05 152013 104373 16-02-05 152053 104256 17-02-05 151806 104586 18-02-05 152286 104607 AS Summary 18888 Number of ASes in routing system 7728 Number of ASes announcing only one prefix 1443 Largest number of prefixes announced by an AS AS7018 : ATTW AT&T WorldNet Services 90784256 Largest address span announced by an AS (/32s) AS721 : DNIC DoD Network Information Center Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 18Feb05 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 152569 104699 47870 31.4% All ASes AS4323 1024 222 802 78.3% TWTC Time Warner Telecom AS18566 767 7 760 99.1% CVAD Covad Communications AS4134 870 205 665 76.4% CHINANET-BACKBONE No.31,Jin-rong Street AS721 1152 582 570 49.5% DNIC DoD Network Information Center AS22773 472 26 446 94.5% CXA Cox Communications Inc. AS27364 464 34 430 92.7% ARMC Armstrong Cable Services AS7018 1443 1023 420 29.1% ATTW AT&T WorldNet Services AS6197 861 458 403 46.8% BNS-14 BellSouth Network Solutions, Inc AS3602 495 136 359 72.5% SPCA Sprint Canada Inc. AS6478 499 187 312 62.5% ATTW AT&T WorldNet Services AS17676 396 88 308 77.8% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS9929 340 36 304 89.4% CNCNET-CN China Netcom Corp. AS4766 575 283 292 50.8% KIXS-AS-KR Korea Telecom AS1239 948 662 286 30.2% SPRN Sprint AS14654 259 6 253 97.7% WAYPOR-3 Wayport AS9443 378 126 252 66.7% INTERNETPRIMUS-AS-AP Primus Telecommunications AS6140 382 138 244 63.9% IMPSA ImpSat AS7545 499 260 239 47.9% TPG-INTERNET-AP TPG Internet Pty Ltd AS4355 293 62 231 78.8% ERSD EARTHLINK, INC AS25844 244 16 228 93.4% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS6198 451 226 225 49.9% BNS-14 BellSouth Network Solutions, Inc AS15270 249 35 214 85.9% PDP-14 PaeTec.net -a division of PaeTecCommunications, Inc. AS22909 420 218 202 48.1% CMCS Comcast Cable Communications, Inc. AS2386 821 620 201 24.5% ADCS-1 AT&T Data Communications Services AS5668 450 255 195 43.3% CIH-12 CenturyTel Internet Holdings, Inc. AS6517 306 120 186 60.8% YIPS Yipes Communications, Inc. AS9498 238 54 184 77.3% BBIL-AP BHARTI BT INTERNET LTD. AS19632 191 8 183 95.8% Metropolis Intercom AS6167 260 78 182 70.0% CELLCO Cellco Partnership AS16852 240 64 176 73.3% FDCI Focal Data Communications of Illinois Total 15987 6235 9752 61.0% Top 30 total Possible Bogus Routes 24.138.80.0/20 AS11260 AHSICHCL Andara High Speed Internet c/o Halifax Cable Ltd. 24.246.0.0/17 AS7018 ATTW AT&T WorldNet Services 24.246.38.0/24 AS25994 NPGCAB NPG Cable, INC 24.246.128.0/18 AS7018 ATTW AT&T WorldNet Services 64.17.32.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.17.33.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.17.37.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.57.160.0/19 AS3561 SAVVI-3 Savvis 64.92.128.0/19 AS3561 SAVVI-3 Savvis 64.127.0.0/18 AS7018 ATTW AT&T WorldNet Services 64.209.192.0/18 AS3561 SAVVI-3 Savvis 69.26.32.0/19 AS17307 VIRTEL-15 Virtela Communications 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.30.127.0/24 AS719 ELISA-AS Elisa Oyj 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.44.0.0/19 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 192.44.0.0/24 AS5501 FRAUNHOFER-CLUSTER-BW Fraunhofer Gesellschaft 192.70.164.0/24 AS11814 IGST Information Gateway Services - Toronto 192.81.182.0/24 AS719 ELISA-AS Elisa Oyj 192.81.183.0/24 AS719 ELISA-AS Elisa Oyj 192.81.184.0/24 AS719 ELISA-AS Elisa Oyj 192.119.135.0/24 AS270 NASA National Aeronautics and Space Administration 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.133.6.0/24 AS4004 GLOBALONE-EQUANT-UK Equant UK & Greece Autonomous System 192.135.50.0/24 AS7018 ATTW AT&T WorldNet Services 192.153.144.0/21 AS721 DNIC DoD Network Information Center 192.172.0.0/19 AS721 DNIC DoD Network Information Center 192.188.208.0/20 AS721 DNIC DoD Network Information Center 192.200.100.0/24 AS7018 ATTW AT&T WorldNet Services 196.2.95.0/24 AS8668 TELONE-AS TelOne Zimbabwe P/L 198.23.26.0/24 AS4390 BELLAT-7 Bell Atlantic, Inc. 198.97.72.0/21 AS721 DNIC DoD Network Information Center 198.97.80.0/20 AS721 DNIC DoD Network Information Center 198.97.88.0/24 AS89 NUSC-1 Naval Underwater Systems Center 198.97.240.0/20 AS721 DNIC DoD Network Information Center 198.97.247.0/24 AS3475 DEPART-52 Department of the Navy 198.101.4.0/22 AS721 DNIC DoD Network Information Center 198.136.32.0/20 AS19329 MCBCC Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY CityNet, Inc. 198.160.171.0/24 AS7046 UU UUNET Technologies, Inc. 198.161.87.0/24 AS6539 GTGR GT Group Telecom Services Corp. 198.163.155.0/24 AS684 MRN Manitoba Regional Network 198.167.0.0/16 AS7456 INS-51 Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 198.168.0.0/16 AS701 UU UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASK SaskTel 198.232.133.0/24 AS23075 SKOTOS Skotos Tech, Inc 199.10.0.0/16 AS721 DNIC DoD Network Information Center 199.60.0.0/20 AS271 UBC-3 University of British Columbia 199.96.44.0/23 AS19092 360NE-1 360Networks (USA) Inc. 199.96.46.0/24 AS19092 360NE-1 360Networks (USA) Inc. 199.114.0.0/21 AS721 DNIC DoD Network Information Center 199.114.128.0/18 AS721 DNIC DoD Network Information Center 199.114.130.0/24 AS721 DNIC DoD Network Information Center 199.114.132.0/24 AS721 DNIC DoD Network Information Center 199.114.134.0/24 AS3541 DISAUN DISA/UNRRA 199.114.136.0/24 AS27044 DNIC DoD Network Information Center 199.114.138.0/24 AS721 DNIC DoD Network Information Center 199.114.140.0/24 AS3544 DISAUN DISA/UNRRA 199.114.142.0/24 AS721 DNIC DoD Network Information Center 199.114.144.0/24 AS721 DNIC DoD Network Information Center 199.114.148.0/24 AS721 DNIC DoD Network Information Center 199.114.150.0/24 AS721 DNIC DoD Network Information Center 199.114.152.0/24 AS27033 DNIC DoD Network Information Center 199.114.154.0/24 AS1733 ADP-41 AF DDN PMO 199.114.156.0/24 AS27034 DNIC DoD Network Information Center 199.114.160.0/24 AS1733 ADP-41 AF DDN PMO 199.120.32.0/19 AS16582 NXLI NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS721 DNIC DoD Network Information Center 199.123.0.0/18 AS721 DNIC DoD Network Information Center 199.123.16.0/20 AS721 DNIC DoD Network Information Center 199.123.80.0/21 AS721 DNIC DoD Network Information Center 199.189.32.0/19 AS7332 IQUEST IQuest Internet 199.202.0.0/16 AS701 UU UUNET Technologies, Inc. 201.239.0.0/16 AS22047 VTR BANDA ANCHA S.A. 202.72.240.0/20 AS24320 RAILCOM Mongolian Railway Commercial Center Railcom 202.86.252.0/22 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.164.224.0/19 AS7599 IPXC-AS-AP IP Exchange 203.32.4.0/23 AS7617 TELEONE-HK TeleTeleOne (HK) Limited 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.99.0.0/19 AS17746 ORCONINTERNET-NZ-AP Orcon Internet 203.170.14.0/23 AS6648 ASN-SKYINTERNET BAYANTEL-SKY INTERNET TIER 1 ISP in the Philippines 203.210.69.0/24 AS17536 PRODIGY-AS-AP Prodidgy Telecommunications 204.154.125.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.194.110.0/23 AS30653 EXOBI Exobit Networks Inc. 205.150.0.0/15 AS701 UU UUNET Technologies, Inc. 206.108.96.0/19 AS577 BAC-14 Bell Advanced Communications Inc. 206.128.104.0/21 AS11709 VIIN VIRTUAL INTERACTIVE CENTER 206.167.57.0/24 AS376 RISQR-3 Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 207.231.96.0/19 AS11194 NUNETI NuNet Inc 208.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 208.138.48.0/20 AS7955 SOURCE-48 SourceNet Corporation 209.27.51.0/24 AS14132 INTERN-582 Internet Gateway Inc. 209.205.69.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.70.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.81.0/24 AS15066 SkyNet de Colombia S.A. 209.205.82.0/24 AS15066 SkyNet de Colombia S.A. 209.205.84.0/24 AS15066 SkyNet de Colombia S.A. 209.213.32.0/19 AS10629 INS-52 Inter-Pacific Network Services 209.213.48.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.49.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.251.0.0/19 AS11036 SISCOM-1 SISCOM, Inc 216.37.110.0/23 AS4264 CERFN California Education and Research Federation Network 216.96.128.0/18 AS7018 ATTW AT&T WorldNet Services 216.145.156.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.158.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.176.0/21 AS20304 JIS-32 JVLNET Internet Services 216.145.177.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.178.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.184.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.185.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.186.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.187.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.188.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.189.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.190.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.191.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.200.0/21 AS20304 JIS-32 JVLNET Internet Services 216.171.96.0/20 AS3356 LEVEL3 Level 3 Communications 216.186.151.0/24 AS3356 LEVEL3 Level 3 Communications 216.186.152.0/21 AS3356 LEVEL3 Level 3 Communications 216.186.160.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.164.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.192.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.198.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.248.0/23 AS3356 LEVEL3 Level 3 Communications Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org swinog(a)swinog.ch

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Weekly Routing Table Report
by Routing Table Analysis 11 Feb '05

11 Feb '05

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 12 Feb, 2005 Analysis Summary ---------------- BGP routing table entries examined: 155599 Prefixes after maximum aggregation: 90769 Unique aggregates announced to Internet: 74551 Total ASes present in the Internet Routing Table: 18969 Origin-only ASes present in the Internet Routing Table: 16484 Origin ASes announcing only one prefix: 7738 Transit ASes present in the Internet Routing Table: 2485 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 22 Prefixes from unregistered ASNs in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 22 Number of addresses announced to Internet: 1374625740 Equivalent to 81 /8s, 239 /16s and 31 /24s Percentage of available address space announced: 37.1 Percentage of allocated address space announced: 58.6 Percentage of available address space allocated: 63.2 Total number of prefixes smaller than registry allocations: 72464 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30978 Total APNIC prefixes after maximum aggregation: 14936 Prefixes being announced from the APNIC address blocks: 29027 Unique aggregates announced from the APNIC address blocks: 14666 APNIC Region origin ASes present in the Internet Routing Table: 2204 APNIC Region origin ASes announcing only one prefix: 648 APNIC Region transit ASes present in the Internet Routing Table: 326 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 173936896 Equivalent to 10 /8s, 94 /16s and 17 /24s Percentage of available APNIC address space announced: 64.5 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 23552-24575 APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 87104 Total ARIN prefixes after maximum aggregation: 52392 Prefixes being announced from the ARIN address blocks: 66324 Unique aggregates announced from the ARIN address blocks: 24080 ARIN Region origin ASes present in the Internet Routing Table: 9868 ARIN Region origin ASes announcing only one prefix: 3594 ARIN Region transit ASes present in the Internet Routing Table: 957 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 240880896 Equivalent to 14 /8s, 91 /16s and 141 /24s Percentage of available ARIN address space announced: 71.8 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 29389 Total RIPE prefixes after maximum aggregation: 20318 Prefixes being announced from the RIPE address blocks: 26341 Unique aggregates announced from the RIPE address blocks: 17498 RIPE Region origin ASes present in the Internet Routing Table: 6307 RIPE Region origin ASes announcing only one prefix: 3344 RIPE Region transit ASes present in the Internet Routing Table: 1074 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 187806784 Equivalent to 11 /8s, 49 /16s and 180 /24s Percentage of available RIPE address space announced: 65.8 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-34815 RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 6790 Total LACNIC prefixes after maximum aggregation: 2418 Prefixes being announced from the LACNIC address blocks: 6684 Unique aggregates announced from the LACNIC address blocks: 3972 LACNIC Region origin ASes present in the Internet Routing Table: 420 LACNIC Region origin ASes announcing only one prefix: 128 LACNIC Region transit ASes present in the Internet Routing Table: 82 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 17393664 Equivalent to 1 /8s, 9 /16s and 104 /24s Percentage of available LACNIC address space announced: 51.8 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1320 Total AfriNIC prefixes after maximum aggregation: 705 Prefixes being announced from the AfriNIC address blocks: 890 Unique aggregates announced from the AfriNIC address blocks: 714 AfriNIC Region origin ASes present in the Internet Routing Table: 95 AfriNIC Region origin ASes announcing only one prefix: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2171136 Equivalent to 0 /8s, 33 /16s and 33 /24s Percentage of available AfriNIC address space announced: 12.9 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4134 883 4688 172 Data Communications Bureau 1221 786 1184 561 Telstra Pty Ltd 4766 586 3414 281 Korea Internet Exchange for " 9583 586 48 11 Satyam Infoway Ltd., 4755 456 241 101 Videsh Sanchar Nigam Ltd. Aut 7545 426 86 69 TPG Internet Pty Ltd 17676 396 5948 64 XTAGE CORPORATION 9443 371 77 79 Primus Telecommunications 9929 350 164 35 China Netcom Corp. 2907 347 1838 322 SINET Japan 17557 326 24 149 Pakistan Telecom 10036 294 27 270 C&M Communication Co. Ltd. 7474 286 299 208 Optus Communications Pty Ltd 2764 271 238 217 connect.com.au pty ltd 703 269 339 211 UUNET 9800 237 383 75 CHINA UNICOM 4808 236 170 128 CHINANET core WAN North 9498 234 81 54 BHARTI BT INTERNET LTD. 17974 231 63 12 PT TELEKOMUNIKASI INDONESIA 4802 230 28 139 Wantree Development ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1459 6602 974 AT&T WorldNet Services 721 1154 21851 317 DLA Systems Automation Center 701 1034 8309 881 UUNET Technologies, Inc. 4323 1032 672 221 Time Warner Telecom 1239 951 2880 627 Sprint 6197 860 378 402 BellSouth Network Solutions, 2386 827 511 608 AT&T Data Communications Serv 18566 770 208 6 Covad Communications 209 647 3467 498 Qwest 3356 596 10868 445 Level 3 Communications, LLC 3561 584 2370 416 Cable & Wireless USA 20115 578 481 304 Charter Communications 852 525 1126 399 Telus Advanced Communications 6478 496 822 97 AT&T Worldnet Services 3602 492 120 91 Sprint Canada, Inc. 22773 469 1090 24 Cox Communications, Inc. Atla 27364 468 44 18 Armstrong Cable Services 6198 458 472 204 BellSouth Network Solutions, 5668 441 87 17 Century Telephone 7132 441 8411 381 SBC Internet Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 614 2020 506 UUNET - Commercial IP service 3320 296 2992 230 Deutsche Telekom AG 3301 290 1112 278 TeliaNet Sweden 8220 277 466 271 COLT Internet - International 680 253 2041 239 DFN-IP service G-WiN 3246 224 475 219 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 8708 216 120 196 Romania Data Systems S.A. 1257 205 708 171 SWIPnet Swedish IP Network 3215 200 1033 78 France Telecom Transpac 5515 187 842 135 Sonera Solution Autonomous Sy 6746 179 47 143 Dynamic Network Technologies, 786 176 1794 176 The JANET IP Service 8866 170 19 20 Bulgarian Telecommunication C 3300 168 184 84 AUCS Communications Services 719 163 322 105 LANLINK autonomous system 3269 163 1424 72 TELECOM ITALIA 25186 141 138 99 France Telecom Transpac's Tra 5400 140 219 124 BT Ignite European Backbone 9051 128 8 33 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 361 140 70 ImpSat 8151 339 501 143 UniNet S.A. de C.V. 16814 233 14 6 NSS, S.A. 11172 219 101 54 Servicios Alestra S.A de C.V 6147 170 100 22 Telefonica Del Peru 7303 149 68 22 Telecom Argentina Stet-France 11664 149 19 24 Keytech SA 6505 134 90 91 Global One Communicaoes Ltda 14117 119 7 5 Telefonica del Sur S.A. 6503 116 146 79 AVANTEL, S.A. 11992 107 9 31 Integrated Systems 11556 97 48 3 Cable-Wireless Panama 13999 90 52 9 Mega Cable S.A. de C.V. 14420 87 6 42 ANDINATEL S.A. 11311 86 8 22 Sinectis S.A. 6535 85 7 23 Chilesat Servicios Empresari 10481 82 32 7 Prima S.A. 5639 81 8 8 Telecommunications Services o 4270 79 18 9 Red de Interconexion Universi 15311 78 25 37 Telefonica Empresas AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 268 636 226 The Internet Solution 5536 113 15 17 Internet Egypt Network 2018 90 295 87 Tertiary Education Network 2905 85 267 77 The Internetworking Company o 20928 84 16 2 Noor Advanced Technologies AS 24835 56 34 6 RAYA Telecom - Egypt 8452 38 20 5 TEDATA 6713 35 54 9 Itissalat Al-MAGHRIB 9129 33 3 2 UUNET Kenya 5713 27 141 24 Telkom SA Ltd 12455 27 7 4 Jambonet Autonomous system 8524 22 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 21280 16 2 3 Swift Global Kenya Ltd.Is an 15706 15 4 2 Sudatel Internet Exchange Aut 21491 15 1 3 UTL On-line is RF broadband I 15808 14 1 1 Communication Solutions Ltd i 17148 13 1 7 First National Bank Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 721 1154 837 DLA Systems Automation Center 4323 1032 811 Time Warner Telecom 18566 770 764 Covad Communications 4134 883 711 Data Communications Bureau 9583 586 575 Satyam Infoway Ltd., 6197 860 458 BellSouth Network Solutions, 27364 468 450 Armstrong Cable Services 22773 469 445 Cox Communications, Inc. Atla 5668 441 424 Century Telephone 3602 492 401 Sprint Canada, Inc. 6478 496 399 AT&T Worldnet Services 7545 426 357 TPG Internet Pty Ltd 4755 456 355 Videsh Sanchar Nigam Ltd. Aut 22909 418 339 Comcast Cable Corporation 6467 365 334 E.Spire Communications, Inc. 17676 396 332 XTAGE CORPORATION 1239 951 324 Sprint 9929 350 315 China Netcom Corp. 4766 586 305 Korea Internet Exchange for " 9443 371 292 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News 64513 PRIVATE 149.117.96.0/24 577 Bell Advanced Commun 26422 UNALLOCATED 196.46.184.0/22 3741 The Internet Solutio 64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc. 64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc. 64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc. 64512 PRIVATE 199.216.148.0/28 15296 Netera Alliance Inc. 65004 PRIVATE 200.0.113.0/24 28477 * 65004 PRIVATE 200.4.0.0/24 28477 * 65004 PRIVATE 200.4.1.0/24 28477 * 65004 PRIVATE 200.4.2.0/24 28477 * 65004 PRIVATE 200.4.3.0/24 28477 * 65004 PRIVATE 200.4.4.0/24 28477 * 65004 PRIVATE 200.4.5.0/24 28477 * 65004 PRIVATE 200.4.6.0/24 28477 * 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 172.212.0.0/16 1668 GNN Hosting Service 172.213.0.0/16 1668 GNN Hosting Service 172.214.0.0/16 1668 GNN Hosting Service 172.215.0.0/16 1668 GNN Hosting Service 172.216.0.0/16 1668 GNN Hosting Service 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T WorldNet Services 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.172.11.0/24 721 DLA Systems Automation Center 192.200.100.0/24 7018 AT&T WorldNet Services Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:3 /10:7 /11:14 /12:62 /13:146 /14:311 /15:566 /16:8304 /17:2405 /18:4090 /19:10079 /20:10700 /21:8446 /22:11718 /23:12917 /24:84952 /25:298 /26:256 /27:112 /28:49 /29:22 /30:82 /31:0 /32:41 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 755 770 Covad Communications 6197 705 860 BellSouth Network Solutions, 7018 630 1459 AT&T WorldNet Services 2386 591 827 AT&T Data Communications Serv 4323 478 1032 Time Warner Telecom 27364 453 468 Armstrong Cable Services 9583 412 586 Satyam Infoway Ltd., 4766 399 586 Korea Internet Exchange for " 5668 376 441 Century Telephone 702 373 614 UUNET - Commercial IP service 1239 369 951 Sprint 6198 331 458 BellSouth Network Solutions, 10036 294 294 C&M Communication Co. Ltd. 6517 285 307 Yipes Communications, Inc. 6467 275 365 E.Spire Communications, Inc. 9929 275 350 China Netcom Corp. 11456 263 310 Carolina Online, Inc. 13609 256 305 Choice One Communications Inc 25844 245 245 Skadden, Arps, Slate, Meagher 701 244 1034 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:9 12:1486 13:1 15:6 16:2 17:3 18:4 20:4 24:739 32:68 33:3 38:94 40:55 44:3 47:2 52:3 55:2 56:3 57:21 59:2 60:16 61:688 62:505 63:1865 64:2590 65:2084 66:2726 67:499 68:500 69:907 70:64 71:2 72:82 80:554 81:490 82:349 83:280 84:129 85:104 128:139 129:166 130:92 131:195 132:37 133:1 134:142 135:30 136:213 137:66 138:179 139:50 140:195 141:101 142:140 143:123 144:252 145:45 146:282 147:99 148:262 149:163 150:95 151:62 152:110 153:73 154:2 155:140 156:69 157:78 158:149 159:164 160:67 161:59 162:417 163:84 164:213 165:157 166:131 167:226 168:389 169:132 170:314 171:9 192:5687 193:3060 194:2257 195:1570 196:621 198:3858 199:3285 200:3932 201:53 202:5160 203:5979 204:3627 205:2021 206:2314 207:2667 208:2095 209:3096 210:1566 211:780 212:1148 213:1258 214:239 215:31 216:3670 217:1100 218:189 219:117 220:354 221:82 222:76 End of report

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The Cidr Report
by cidr-report＠potaroo.net 11 Feb '05

11 Feb '05

This report has been generated at Fri Feb 11 21:44:29 2005 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 04-02-05 151613 103143 05-02-05 152142 103736 06-02-05 152231 103721 07-02-05 152353 103830 08-02-05 152514 103966 09-02-05 153855 104090 10-02-05 154283 104246 11-02-05 154341 104240 AS Summary 18869 Number of ASes in routing system 7735 Number of ASes announcing only one prefix 1441 Largest number of prefixes announced by an AS AS7018 : ATTW AT&T WorldNet Services 90770688 Largest address span announced by an AS (/32s) AS721 : DNIC DoD Network Information Center Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 11Feb05 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 151940 104250 47690 31.4% All ASes AS4323 1031 227 804 78.0% TWTC Time Warner Telecom AS18566 770 7 763 99.1% CVAD Covad Communications AS4134 868 203 665 76.6% CHINANET-BACKBONE No.31,Jin-rong Street AS721 1137 573 564 49.6% DNIC DoD Network Information Center AS22773 469 26 443 94.5% CXA Cox Communications Inc. AS7018 1441 1000 441 30.6% ATTW AT&T WorldNet Services AS27364 468 34 434 92.7% ARMC Armstrong Cable Services AS6197 852 454 398 46.7% BNS-14 BellSouth Network Solutions, Inc AS3602 492 136 356 72.4% SPCA Sprint Canada Inc. AS6478 496 156 340 68.5% ATTW AT&T WorldNet Services AS1239 946 632 314 33.2% SPRN Sprint AS9929 339 35 304 89.7% CNCNET-CN China Netcom Corp. AS4766 570 281 289 50.7% KIXS-AS-KR Korea Telecom AS17676 394 105 289 73.4% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS14654 259 6 253 97.7% WAYPOR-3 Wayport AS9443 375 124 251 66.9% INTERNETPRIMUS-AS-AP Primus Telecommunications AS22909 422 182 240 56.9% CMCS Comcast Cable Communications, Inc. AS4355 298 64 234 78.5% ERSD EARTHLINK, INC AS25844 244 15 229 93.9% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS6198 451 225 226 50.1% BNS-14 BellSouth Network Solutions, Inc AS6140 381 171 210 55.1% IMPSA ImpSat AS15270 248 41 207 83.5% PDP-14 PaeTec.net -a division of PaeTecCommunications, Inc. AS2386 826 625 201 24.3% ADCS-1 AT&T Data Communications Services AS7545 425 224 201 47.3% TPG-INTERNET-AP TPG Internet Pty Ltd AS5668 439 251 188 42.8% CIH-12 CenturyTel Internet Holdings, Inc. AS6517 305 120 185 60.7% YIPS Yipes Communications, Inc. AS19632 191 8 183 95.8% Metropolis Intercom AS6167 259 78 181 69.9% CELLCO Cellco Partnership AS9498 236 55 181 76.7% BBIL-AP BHARTI BT INTERNET LTD. AS16852 240 64 176 73.3% FDCI Focal Data Communications of Illinois Total 15872 6122 9750 61.4% Top 30 total Possible Bogus Routes 24.138.80.0/20 AS11260 AHSICHCL Andara High Speed Internet c/o Halifax Cable Ltd. 24.246.0.0/17 AS7018 ATTW AT&T WorldNet Services 24.246.38.0/24 AS25994 NPGCAB NPG Cable, INC 24.246.128.0/18 AS7018 ATTW AT&T WorldNet Services 64.17.32.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.17.33.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.17.37.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.46.27.0/24 AS8674 NETNOD-IX Netnod Internet Exchange Sverige AB 64.57.160.0/19 AS3561 SAVVI-3 Savvis 64.92.128.0/19 AS3561 SAVVI-3 Savvis 64.127.0.0/18 AS7018 ATTW AT&T WorldNet Services 64.209.192.0/18 AS3561 SAVVI-3 Savvis 69.26.32.0/19 AS17307 VIRTEL-15 Virtela Communications 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.30.127.0/24 AS719 ELISA-AS Elisa Oyj 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.44.0.0/19 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 192.44.0.0/24 AS5501 FRAUNHOFER-CLUSTER-BW Fraunhofer Gesellschaft 192.70.164.0/24 AS11814 IGST Information Gateway Services - Toronto 192.81.182.0/24 AS719 ELISA-AS Elisa Oyj 192.81.183.0/24 AS719 ELISA-AS Elisa Oyj 192.81.184.0/24 AS719 ELISA-AS Elisa Oyj 192.119.135.0/24 AS270 NASA National Aeronautics and Space Administration 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.133.6.0/24 AS4004 GLOBALONE-EQUANT-UK Equant UK & Greece Autonomous System 192.135.50.0/24 AS7018 ATTW AT&T WorldNet Services 192.153.144.0/21 AS721 DNIC DoD Network Information Center 192.172.0.0/19 AS721 DNIC DoD Network Information Center 192.188.208.0/20 AS721 DNIC DoD Network Information Center 192.200.100.0/24 AS7018 ATTW AT&T WorldNet Services 196.2.95.0/24 AS8668 TELONE-AS TelOne Zimbabwe P/L 198.23.26.0/24 AS4390 BELLAT-7 Bell Atlantic, Inc. 198.97.72.0/21 AS721 DNIC DoD Network Information Center 198.97.80.0/20 AS721 DNIC DoD Network Information Center 198.97.88.0/24 AS89 NUSC-1 Naval Underwater Systems Center 198.97.240.0/20 AS721 DNIC DoD Network Information Center 198.97.247.0/24 AS3475 DEPART-52 Department of the Navy 198.101.4.0/22 AS721 DNIC DoD Network Information Center 198.136.32.0/20 AS19329 MCBCC Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY CityNet, Inc. 198.161.87.0/24 AS6539 GTGR GT Group Telecom Services Corp. 198.163.155.0/24 AS684 MRN Manitoba Regional Network 198.167.0.0/16 AS7456 INS-51 Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 198.168.0.0/16 AS701 UU UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASK SaskTel 198.232.133.0/24 AS23075 SKOTOS Skotos Tech, Inc 199.10.0.0/16 AS721 DNIC DoD Network Information Center 199.60.0.0/20 AS271 UBC-3 University of British Columbia 199.96.44.0/23 AS19092 360NE-1 360Networks (USA) Inc. 199.96.46.0/24 AS19092 360NE-1 360Networks (USA) Inc. 199.114.0.0/21 AS721 DNIC DoD Network Information Center 199.114.128.0/18 AS721 DNIC DoD Network Information Center 199.114.130.0/24 AS721 DNIC DoD Network Information Center 199.114.132.0/24 AS721 DNIC DoD Network Information Center 199.114.134.0/24 AS3541 DISAUN DISA/UNRRA 199.114.136.0/24 AS27044 DNIC DoD Network Information Center 199.114.138.0/24 AS721 DNIC DoD Network Information Center 199.114.140.0/24 AS3544 DISAUN DISA/UNRRA 199.114.142.0/24 AS721 DNIC DoD Network Information Center 199.114.144.0/24 AS721 DNIC DoD Network Information Center 199.114.148.0/24 AS721 DNIC DoD Network Information Center 199.114.150.0/24 AS721 DNIC DoD Network Information Center 199.114.152.0/24 AS27033 DNIC DoD Network Information Center 199.114.154.0/24 AS1733 ADP-41 AF DDN PMO 199.114.156.0/24 AS27034 DNIC DoD Network Information Center 199.114.160.0/24 AS1733 ADP-41 AF DDN PMO 199.120.32.0/19 AS16582 NXLI NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS721 DNIC DoD Network Information Center 199.123.0.0/18 AS721 DNIC DoD Network Information Center 199.123.16.0/20 AS721 DNIC DoD Network Information Center 199.123.80.0/21 AS721 DNIC DoD Network Information Center 199.189.32.0/19 AS7332 IQUEST IQuest Internet 199.202.0.0/16 AS701 UU UUNET Technologies, Inc. 201.239.0.0/16 AS22047 VTR BANDA ANCHA S.A. 202.72.240.0/20 AS24320 RAILCOM Mongolian Railway Commercial Center Railcom 202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.86.252.0/22 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.164.224.0/19 AS7599 IPXC-AS-AP IP Exchange 203.32.4.0/23 AS7617 TELEONE-HK TeleTeleOne (HK) Limited 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.99.0.0/19 AS17746 ORCONINTERNET-NZ-AP Orcon Internet 203.170.14.0/23 AS6648 ASN-SKYINTERNET Autonomous System Number peering of BAYANTEL 203.210.69.0/24 AS17536 PRODIGY-AS-AP Prodidgy Telecommunications 204.11.108.0/22 AS33419 TRIBAL-2 Tribal Fusion Inc. 204.154.125.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.194.110.0/23 AS30653 EXOBI Exobit Networks Inc. 205.150.0.0/15 AS701 UU UUNET Technologies, Inc. 206.108.96.0/19 AS577 BAC-14 Bell Advanced Communications Inc. 206.128.104.0/21 AS11709 VIIN VIRTUAL INTERACTIVE CENTER 206.167.57.0/24 AS376 RISQR-3 Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 207.231.96.0/19 AS11194 NUNETI NuNet Inc 208.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 208.138.48.0/20 AS7955 SOURCE-48 SourceNet Corporation 209.27.51.0/24 AS14132 INTERN-582 Internet Gateway Inc. 209.205.69.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.70.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.81.0/24 AS15066 SkyNet de Colombia S.A. 209.205.82.0/24 AS15066 SkyNet de Colombia S.A. 209.205.84.0/24 AS15066 SkyNet de Colombia S.A. 209.213.32.0/19 AS10629 INS-52 Inter-Pacific Network Services 209.213.48.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.49.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.251.0.0/19 AS11036 SISCOM-1 SISCOM, Inc 216.37.110.0/23 AS4264 CERFN California Education and Research Federation Network 216.96.128.0/18 AS7018 ATTW AT&T WorldNet Services 216.145.156.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.158.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.176.0/21 AS20304 JIS-32 JVLNET Internet Services 216.145.177.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.178.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.184.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.185.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.186.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.187.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.188.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.189.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.190.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.191.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.200.0/21 AS20304 JIS-32 JVLNET Internet Services 216.171.96.0/20 AS3356 LEVEL3 Level 3 Communications 216.186.151.0/24 AS3356 LEVEL3 Level 3 Communications 216.186.152.0/21 AS3356 LEVEL3 Level 3 Communications 216.186.160.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.164.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.192.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.198.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.248.0/23 AS3356 LEVEL3 Level 3 Communications Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org swinog(a)swinog.ch

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[Fwd: [apops] APNIC new IPv4 addresses]
by leo vegoda 07 Feb '05

07 Feb '05

Dear Colleagues, I'm forwarding this announcement, on request. Kind regards, -- leo vegoda RIPE NCC Registration Services Manager

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Weekly Routing Table Report
by Routing Table Analysis 04 Feb '05

04 Feb '05

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 05 Feb, 2005 Analysis Summary ---------------- BGP routing table entries examined: 155903 Prefixes after maximum aggregation: 90519 Unique aggregates announced to Internet: 74424 Total ASes present in the Internet Routing Table: 18921 Origin-only ASes present in the Internet Routing Table: 16444 Origin ASes announcing only one prefix: 7720 Transit ASes present in the Internet Routing Table: 2477 Transit-only ASes present in the Internet Routing Table: 81 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 22 Prefixes from unregistered ASNs in the Routing Table: 17 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 21 Number of addresses announced to Internet: 1373013836 Equivalent to 81 /8s, 214 /16s and 135 /24s Percentage of available address space announced: 37.0 Percentage of allocated address space announced: 58.6 Percentage of available address space allocated: 63.2 Total number of prefixes smaller than registry allocations: 72958 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30873 Total APNIC prefixes after maximum aggregation: 14883 Prefixes being announced from the APNIC address blocks: 28938 Unique aggregates announced from the APNIC address blocks: 14655 APNIC Region origin ASes present in the Internet Routing Table: 2195 APNIC Region origin ASes announcing only one prefix: 645 APNIC Region transit ASes present in the Internet Routing Table: 325 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 173269632 Equivalent to 10 /8s, 83 /16s and 226 /24s Percentage of available APNIC address space announced: 64.3 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 23552-24575 APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 87607 Total ARIN prefixes after maximum aggregation: 52291 Prefixes being announced from the ARIN address blocks: 66880 Unique aggregates announced from the ARIN address blocks: 24068 ARIN Region origin ASes present in the Internet Routing Table: 9852 ARIN Region origin ASes announcing only one prefix: 3590 ARIN Region transit ASes present in the Internet Routing Table: 960 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 240400640 Equivalent to 14 /8s, 84 /16s and 57 /24s Percentage of available ARIN address space announced: 71.6 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647,29695-30719, 31744-33791 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 29269 Total RIPE prefixes after maximum aggregation: 20230 Prefixes being announced from the RIPE address blocks: 26227 Unique aggregates announced from the RIPE address blocks: 17361 RIPE Region origin ASes present in the Internet Routing Table: 6282 RIPE Region origin ASes announcing only one prefix: 3334 RIPE Region transit ASes present in the Internet Routing Table: 1061 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 187324736 Equivalent to 11 /8s, 42 /16s and 89 /24s Percentage of available RIPE address space announced: 65.7 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-34815 RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 6813 Total LACNIC prefixes after maximum aggregation: 2399 Prefixes being announced from the LACNIC address blocks: 6700 Unique aggregates announced from the LACNIC address blocks: 4041 LACNIC Region origin ASes present in the Internet Routing Table: 419 LACNIC Region origin ASes announcing only one prefix: 127 LACNIC Region transit ASes present in the Internet Routing Table: 83 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 17342464 Equivalent to 1 /8s, 8 /16s and 160 /24s Percentage of available LACNIC address space announced: 51.7 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1324 Total AfriNIC prefixes after maximum aggregation: 716 Prefixes being announced from the AfriNIC address blocks: 886 Unique aggregates announced from the AfriNIC address blocks: 683 AfriNIC Region origin ASes present in the Internet Routing Table: 96 AfriNIC Region origin ASes announcing only one prefix: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2162688 Equivalent to 0 /8s, 33 /16s and 0 /24s Percentage of available AfriNIC address space announced: 12.9 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4134 883 4688 172 Data Communications Bureau 1221 785 1183 560 Telstra Pty Ltd 4766 592 3415 282 Korea Internet Exchange for " 9583 582 48 12 Satyam Infoway Ltd., 4755 456 241 101 Videsh Sanchar Nigam Ltd. Aut 7545 396 86 69 TPG Internet Pty Ltd 17676 394 5916 62 XTAGE CORPORATION 9443 362 71 77 Primus Telecommunications 9929 351 164 35 China Netcom Corp. 2907 347 1838 322 SINET Japan 17557 324 23 149 Pakistan Telecom 10036 294 27 270 C&M Communication Co. Ltd. 7474 280 297 208 Optus Communications Pty Ltd 2764 271 254 218 connect.com.au pty ltd 703 270 339 211 UUNET 9800 237 383 75 CHINA UNICOM 4808 234 170 128 CHINANET core WAN North 4802 231 28 140 Wantree Development 9498 230 81 53 BHARTI BT INTERNET LTD. 17974 227 63 12 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1463 6607 980 AT&T WorldNet Services 721 1125 21787 313 DLA Systems Automation Center 701 1061 8336 906 UUNET Technologies, Inc. 7015 963 212 22 AT&T Broadband 1239 943 2880 621 Sprint 6197 858 378 402 BellSouth Network Solutions, 4323 847 672 219 Time Warner Telecom 2386 819 506 606 AT&T Data Communications Serv 18566 770 208 6 Covad Communications 209 649 3404 499 Qwest 3356 594 10867 443 Level 3 Communications, LLC 3561 584 2370 414 Cable & Wireless USA 20115 573 476 305 Charter Communications 852 525 1126 399 Telus Advanced Communications 6478 502 821 97 AT&T Worldnet Services 3602 491 120 91 Sprint Canada, Inc. 22773 468 1090 24 Cox Communications, Inc. Atla 27364 467 44 18 Armstrong Cable Services 6198 457 499 200 BellSouth Network Solutions, 7132 441 8395 381 SBC Internet Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 618 2022 510 UUNET - Commercial IP service 3320 291 2992 227 Deutsche Telekom AG 3301 288 1112 276 TeliaNet Sweden 8220 277 466 270 COLT Internet - International 680 253 2041 239 DFN-IP service G-WiN 3246 223 471 218 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 8708 213 119 194 Romania Data Systems S.A. 1257 205 708 171 SWIPnet Swedish IP Network 3215 188 1032 78 France Telecom Transpac 5515 187 842 135 Sonera Solution Autonomous Sy 6746 179 47 144 Dynamic Network Technologies, 786 176 1794 176 The JANET IP Service 8866 166 19 24 Bulgarian Telecommunication C 3300 162 166 82 AUCS Communications Services 3269 161 1392 71 TELECOM ITALIA 719 159 322 105 LANLINK autonomous system 25186 141 138 99 France Telecom Transpac's Tra 5400 140 219 124 BT Ignite European Backbone 9051 127 8 33 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 359 140 70 ImpSat 8151 335 489 142 UniNet S.A. de C.V. 16814 234 14 6 NSS, S.A. 11172 217 99 54 Servicios Alestra S.A de C.V 6147 189 102 20 Telefonica Del Peru 11664 150 19 24 Keytech SA 7303 149 68 22 Telecom Argentina Stet-France 6505 135 90 92 Global One Communicaoes Ltda 6503 116 147 80 AVANTEL, S.A. 14117 114 7 5 Telefonica del Sur S.A. 11992 107 9 31 Integrated Systems 11556 97 48 3 Cable-Wireless Panama 13999 87 52 9 Mega Cable S.A. de C.V. 14420 87 6 42 ANDINATEL S.A. 11311 86 8 22 Sinectis S.A. 6535 85 7 23 Chilesat Servicios Empresari 10481 83 32 7 Prima S.A. 5639 81 8 8 Telecommunications Services o 4270 79 18 9 Red de Interconexion Universi 15311 78 25 37 Telefonica Empresas AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 268 636 226 The Internet Solution 5536 113 15 17 Internet Egypt Network 2018 102 297 98 Tertiary Education Network 20928 84 16 2 Noor Advanced Technologies AS 2905 76 272 70 The Internetworking Company o 24835 56 34 6 RAYA Telecom - Egypt 8452 38 20 5 TEDATA 6713 35 46 10 Itissalat Al-MAGHRIB 9129 33 3 2 UUNET Kenya 12455 28 7 4 Jambonet Autonomous system 5713 27 141 24 Telkom SA Ltd 8524 23 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 21280 18 2 3 Swift Global Kenya Ltd.Is an 8346 15 11 15 SONATEL-AS Autonomous System 15706 15 4 2 Sudatel Internet Exchange Aut 21491 15 1 3 UTL On-line is RF broadband I 15808 14 1 1 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7015 963 941 AT&T Broadband 721 1125 812 DLA Systems Automation Center 18566 770 764 Covad Communications 4134 883 711 Data Communications Bureau 4323 847 628 Time Warner Telecom 9583 582 570 Satyam Infoway Ltd., 6197 858 456 BellSouth Network Solutions, 27364 467 449 Armstrong Cable Services 22773 468 444 Cox Communications, Inc. Atla 5668 433 406 Century Telephone 6478 502 405 AT&T Worldnet Services 3602 491 400 Sprint Canada, Inc. 22909 422 358 Comcast Cable Corporation 4755 456 355 Videsh Sanchar Nigam Ltd. Aut 17676 394 332 XTAGE CORPORATION 6467 359 328 E.Spire Communications, Inc. 7545 396 327 TPG Internet Pty Ltd 1239 943 322 Sprint 9929 351 316 China Netcom Corp. 4766 592 310 Korea Internet Exchange for " List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 64513 PRIVATE 149.117.96.0/24 577 Bell Advanced Commun 26422 UNALLOCATED 196.46.184.0/22 3741 The Internet Solutio 64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc. 64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc. 64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc. 64512 PRIVATE 199.216.148.0/28 15296 Netera Alliance Inc. 65004 PRIVATE 200.0.113.0/24 28477 * 65004 PRIVATE 200.4.0.0/24 28477 * 65004 PRIVATE 200.4.1.0/24 28477 * 65004 PRIVATE 200.4.2.0/24 28477 * 65004 PRIVATE 200.4.3.0/24 28477 * 65004 PRIVATE 200.4.4.0/24 28477 * 65004 PRIVATE 200.4.5.0/24 28477 * 65004 PRIVATE 200.4.6.0/24 28477 * 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 172.212.0.0/16 1668 GNN Hosting Service 172.213.0.0/16 1668 GNN Hosting Service 172.214.0.0/16 1668 GNN Hosting Service 172.215.0.0/16 1668 GNN Hosting Service 172.216.0.0/16 1668 GNN Hosting Service 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T WorldNet Services 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.172.11.0/24 721 DLA Systems Automation Center 192.200.100.0/24 7018 AT&T WorldNet Services Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:3 /10:7 /11:14 /12:62 /13:146 /14:311 /15:564 /16:8292 /17:2392 /18:4078 /19:10055 /20:10655 /21:8486 /22:11845 /23:12989 /24:85128 /25:294 /26:259 /27:115 /28:49 /29:21 /30:80 /31:0 /32:39 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7015 926 963 AT&T Broadband 18566 755 770 Covad Communications 6197 703 858 BellSouth Network Solutions, 7018 628 1463 AT&T WorldNet Services 2386 592 819 AT&T Data Communications Serv 27364 452 467 Armstrong Cable Services 9583 410 582 Satyam Infoway Ltd., 4766 405 592 Korea Internet Exchange for " 702 377 618 UUNET - Commercial IP service 5668 374 433 Century Telephone 1239 368 943 Sprint 6198 328 457 BellSouth Network Solutions, 10036 294 294 C&M Communication Co. Ltd. 13609 294 336 Choice One Communications Inc 4323 291 847 Time Warner Telecom 6517 282 304 Yipes Communications, Inc. 9929 276 351 China Netcom Corp. 6467 271 359 E.Spire Communications, Inc. 701 268 1061 UUNET Technologies, Inc. 11456 263 310 Carolina Online, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:9 12:1483 13:1 15:6 16:2 17:3 18:4 20:4 24:1176 32:68 33:3 38:91 40:55 44:3 47:2 52:3 55:2 56:3 57:21 59:2 60:12 61:683 62:512 63:1869 64:2587 65:2135 66:2599 67:492 68:496 69:911 70:57 71:2 72:52 80:561 81:504 82:353 83:246 84:122 85:93 128:130 129:166 130:91 131:191 132:37 134:142 135:30 136:213 137:68 138:180 139:47 140:195 141:101 142:139 143:121 144:250 145:45 146:282 147:98 148:265 149:160 150:94 151:62 152:111 153:72 154:2 155:136 156:69 157:77 158:149 159:163 160:67 161:59 162:413 163:85 164:214 165:157 166:131 167:226 168:390 169:131 170:314 171:8 192:5683 193:3044 194:2253 195:1566 196:611 198:3852 199:3247 200:3955 201:50 202:5173 203:5971 204:3593 205:2033 206:2315 207:2663 208:2093 209:3075 210:1577 211:780 212:1148 213:1265 214:240 215:31 216:3700 217:1090 218:188 219:117 220:349 221:79 222:75 End of report

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The Cidr Report
by cidr-report＠potaroo.net 04 Feb '05

04 Feb '05

This report has been generated at Fri Feb 4 21:40:00 2005 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 28-01-05 150969 103249 29-01-05 151037 103352 30-01-05 151188 103402 31-01-05 151242 103080 01-02-05 151393 103170 02-02-05 151585 103143 03-02-05 151613 103143 04-02-05 134555056 103143 AS Summary 0 Number of ASes in routing system 0 Number of ASes announcing only one prefix 1440 Largest number of prefixes announced by an AS AS7018 : ATTW AT&T WorldNet Services 0 Largest address span announced by an AS (/32s) pp) : Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 04Feb05 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 151613 103143 48470 32.0% All ASes AS7015 796 22 774 97.2% CCCH-3 Comcast Cable Communications Holdings, Inc AS18566 768 7 761 99.1% CVAD Covad Communications AS4134 835 202 633 75.8% CHINANET-BACKBONE No.31,Jin-rong Street AS4323 839 226 613 73.1% TWTC Time Warner Telecom AS721 1127 578 549 48.7% DNIC DoD Network Information Center AS7018 1440 962 478 33.2% ATTW AT&T WorldNet Services AS27364 460 34 426 92.6% ARMC Armstrong Cable Services AS22773 442 21 421 95.2% CXA Cox Communications Inc. AS6197 847 449 398 47.0% BNS-14 BellSouth Network Solutions, Inc AS6478 501 114 387 77.2% ATTW AT&T WorldNet Services AS3602 493 140 353 71.6% SPCA Sprint Canada Inc. AS22909 421 71 350 83.1% CMCS Comcast Cable Communications, Inc. AS1239 938 625 313 33.4% SPRN Sprint AS9929 340 35 305 89.7% CNCNET-CN China Netcom Corp. AS17676 391 103 288 73.7% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS4766 566 279 287 50.7% KIXS-AS-KR Korea Telecom AS14654 262 7 255 97.3% WAYPOR-3 Wayport AS6140 379 134 245 64.6% IMPSA ImpSat AS9443 366 121 245 66.9% INTERNETPRIMUS-AS-AP Primus Telecommunications AS4355 300 64 236 78.7% ERSD EARTHLINK, INC AS25844 244 15 229 93.9% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS9583 574 351 223 38.9% SIFY-AS-IN Sify Limited AS6198 446 224 222 49.8% BNS-14 BellSouth Network Solutions, Inc AS15270 248 34 214 86.3% PDP-14 PaeTec.net -a division of PaeTecCommunications, Inc. AS2386 812 602 210 25.9% ADCS-1 AT&T Data Communications Services AS5668 431 227 204 47.3% CIH-12 CenturyTel Internet Holdings, Inc. AS23126 211 18 193 91.5% KTEL KMC Telecom, Inc. AS19632 191 8 183 95.8% Metropolis Intercom AS6517 301 119 182 60.5% YIPS Yipes Communications, Inc. AS9498 235 54 181 77.0% BBIL-AP BHARTI BT INTERNET LTD. Total 16204 5846 10358 63.9% Top 30 total Possible Bogus Routes 24.138.80.0/20 AS11260 AHSICHCL Andara High Speed Internet c/o Halifax Cable Ltd. 24.246.0.0/17 AS7018 ATTW AT&T WorldNet Services 24.246.38.0/24 AS25994 NPGCAB NPG Cable, INC 24.246.128.0/18 AS7018 ATTW AT&T WorldNet Services 64.17.32.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.17.33.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.17.37.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.46.27.0/24 AS8674 NETNOD-IX Netnod Internet Exchange Sverige AB 64.57.160.0/19 AS3561 SAVVI-3 Savvis 64.92.128.0/19 AS3561 SAVVI-3 Savvis 64.127.0.0/18 AS7018 ATTW AT&T WorldNet Services 64.209.192.0/18 AS3561 SAVVI-3 Savvis 69.26.32.0/19 AS17307 VIRTEL-15 Virtela Communications 132.0.0.0/10 AS721 DNIC DoD Network Information Center 137.0.0.0/13 AS721 DNIC DoD Network Information Center 138.136.0.0/13 AS721 DNIC DoD Network Information Center 158.0.0.0/13 AS721 DNIC DoD Network Information Center 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.30.127.0/24 AS719 ELISA-AS Elisa Oyj 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.44.0.0/19 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 192.70.164.0/24 AS11814 IGST Information Gateway Services - Toronto 192.81.182.0/24 AS719 ELISA-AS Elisa Oyj 192.81.183.0/24 AS719 ELISA-AS Elisa Oyj 192.81.184.0/24 AS719 ELISA-AS Elisa Oyj 192.119.135.0/24 AS270 NASA National Aeronautics and Space Administration 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.133.6.0/24 AS4004 GLOBALONE-EQUANT-UK Equant UK & Greece Autonomous System 192.135.50.0/24 AS7018 ATTW AT&T WorldNet Services 192.153.144.0/21 AS721 DNIC DoD Network Information Center 192.172.0.0/19 AS721 DNIC DoD Network Information Center 192.188.208.0/20 AS721 DNIC DoD Network Information Center 192.200.100.0/24 AS7018 ATTW AT&T WorldNet Services 196.2.95.0/24 AS8668 TELONE-AS TelOne Zimbabwe P/L 198.23.26.0/24 AS4390 BELLAT-7 Bell Atlantic, Inc. 198.97.72.0/21 AS721 DNIC DoD Network Information Center 198.97.80.0/20 AS721 DNIC DoD Network Information Center 198.97.88.0/24 AS89 NUSC-1 Naval Underwater Systems Center 198.97.240.0/20 AS721 DNIC DoD Network Information Center 198.97.247.0/24 AS3475 DEPART-52 Department of the Navy 198.101.4.0/22 AS721 DNIC DoD Network Information Center 198.136.32.0/20 AS19329 MCBCC Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY CityNet, Inc. 198.161.87.0/24 AS6539 GTGR GT Group Telecom Services Corp. 198.163.155.0/24 AS684 MRN Manitoba Regional Network 198.167.0.0/16 AS7456 INS-51 Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 198.168.0.0/16 AS701 UU UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASK SaskTel 198.232.133.0/24 AS23075 SKOTOS Skotos Tech, Inc 199.10.0.0/16 AS721 DNIC DoD Network Information Center 199.60.0.0/20 AS271 UBC-3 University of British Columbia 199.96.44.0/23 AS19092 360NE-1 360Networks (USA) Inc. 199.96.46.0/24 AS19092 360NE-1 360Networks (USA) Inc. 199.114.0.0/21 AS721 DNIC DoD Network Information Center 199.114.128.0/18 AS721 DNIC DoD Network Information Center 199.114.130.0/24 AS721 DNIC DoD Network Information Center 199.114.132.0/24 AS721 DNIC DoD Network Information Center 199.114.134.0/24 AS3541 DISAUN DISA/UNRRA 199.114.136.0/24 AS27044 DNIC DoD Network Information Center 199.114.138.0/24 AS721 DNIC DoD Network Information Center 199.114.140.0/24 AS3544 DISAUN DISA/UNRRA 199.114.142.0/24 AS721 DNIC DoD Network Information Center 199.114.144.0/24 AS721 DNIC DoD Network Information Center 199.114.148.0/24 AS721 DNIC DoD Network Information Center 199.114.150.0/24 AS721 DNIC DoD Network Information Center 199.114.152.0/24 AS27033 DNIC DoD Network Information Center 199.114.154.0/24 AS1733 ADP-41 AF DDN PMO 199.114.156.0/24 AS27034 DNIC DoD Network Information Center 199.114.160.0/24 AS1733 ADP-41 AF DDN PMO 199.120.32.0/19 AS16582 NXLI NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS721 DNIC DoD Network Information Center 199.123.0.0/18 AS721 DNIC DoD Network Information Center 199.123.16.0/20 AS721 DNIC DoD Network Information Center 199.123.80.0/21 AS721 DNIC DoD Network Information Center 199.189.32.0/19 AS7332 IQUEST IQuest Internet 199.202.0.0/16 AS701 UU UUNET Technologies, Inc. 201.239.0.0/16 AS22047 VTR BANDA ANCHA S.A. 202.72.240.0/20 AS24320 RAILCOM Mongolian Railway Commercial Center Railcom 202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.86.252.0/22 AS4748 RESOLINK-AS Resources Linke Network Limited 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.164.224.0/19 AS7599 IPXC-AS-AP IP Exchange 203.32.4.0/23 AS7617 TELEONE-HK TeleTeleOne (HK) Limited 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.99.0.0/19 AS17746 ORCONINTERNET-NZ-AP Orcon Internet 203.170.14.0/23 AS6648 ASN-SKYINTERNET Autonomous System Number peering of BAYANTEL 203.210.69.0/24 AS17536 PRODIGY-AS-AP Prodidgy Telecommunications 204.154.125.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.194.110.0/23 AS30653 EXOBI Exobit Networks Inc. 205.150.0.0/15 AS701 UU UUNET Technologies, Inc. 206.29.168.0/21 AS10248 IPI Internet Partners, Inc. 206.128.104.0/21 AS11709 VIIN VIRTUAL INTERACTIVE CENTER 206.167.57.0/24 AS376 RISQR-3 Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 207.231.96.0/19 AS11194 NUNETI NuNet Inc 208.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 208.138.48.0/20 AS7955 SOURCE-48 SourceNet Corporation 209.27.51.0/24 AS14132 INTERN-582 Internet Gateway Inc. 209.205.69.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.70.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.81.0/24 AS15066 SkyNet de Colombia S.A. 209.205.82.0/24 AS15066 SkyNet de Colombia S.A. 209.205.84.0/24 AS15066 SkyNet de Colombia S.A. 209.213.32.0/19 AS10629 INS-52 Inter-Pacific Network Services 209.213.48.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.49.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.251.0.0/19 AS11036 SISCOM-1 SISCOM, Inc 216.37.110.0/23 AS4264 CERFN California Education and Research Federation Network 216.96.128.0/18 AS7018 ATTW AT&T WorldNet Services 216.145.156.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.158.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.176.0/21 AS20304 JIS-32 JVLNET Internet Services 216.145.177.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.178.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.184.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.185.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.186.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.187.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.188.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.189.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.190.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.191.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.200.0/21 AS20304 JIS-32 JVLNET Internet Services 216.171.96.0/20 AS3356 LEVEL3 Level 3 Communications 216.186.151.0/24 AS3356 LEVEL3 Level 3 Communications 216.186.152.0/21 AS3356 LEVEL3 Level 3 Communications 216.186.160.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.164.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.192.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.198.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.248.0/23 AS3356 LEVEL3 Level 3 Communications Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org swinog(a)swinog.ch

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Weekly Routing Table Report
by Routing Table Analysis 28 Jan '05

28 Jan '05

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 29 Jan, 2005 Analysis Summary ---------------- BGP routing table entries examined: 154984 Prefixes after maximum aggregation: 90381 Unique aggregates announced to Internet: 74096 Total ASes present in the Internet Routing Table: 18880 Origin-only ASes present in the Internet Routing Table: 16393 Origin ASes announcing only one prefix: 7690 Transit ASes present in the Internet Routing Table: 2487 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 22 Prefixes from unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1370739756 Equivalent to 81 /8s, 179 /16s and 212 /24s Percentage of available address space announced: 37.0 Percentage of allocated address space announced: 58.5 Percentage of available address space allocated: 63.2 Total number of prefixes smaller than registry allocations: 72278 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30715 Total APNIC prefixes after maximum aggregation: 14875 Prefixes being announced from the APNIC address blocks: 28751 Unique aggregates announced from the APNIC address blocks: 14553 APNIC Region origin ASes present in the Internet Routing Table: 2194 APNIC Region origin ASes announcing only one prefix: 649 APNIC Region transit ASes present in the Internet Routing Table: 326 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 172218240 Equivalent to 10 /8s, 67 /16s and 215 /24s Percentage of available APNIC address space announced: 63.9 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 23552-24575 APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 86924 Total ARIN prefixes after maximum aggregation: 52224 Prefixes being announced from the ARIN address blocks: 66269 Unique aggregates announced from the ARIN address blocks: 23997 ARIN Region origin ASes present in the Internet Routing Table: 9828 ARIN Region origin ASes announcing only one prefix: 3564 ARIN Region transit ASes present in the Internet Routing Table: 964 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 240024576 Equivalent to 14 /8s, 78 /16s and 124 /24s Percentage of available ARIN address space announced: 71.5 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647,29695-30719, 31744-33791 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 29197 Total RIPE prefixes after maximum aggregation: 20200 Prefixes being announced from the RIPE address blocks: 26172 Unique aggregates announced from the RIPE address blocks: 17218 RIPE Region origin ASes present in the Internet Routing Table: 6269 RIPE Region origin ASes announcing only one prefix: 3332 RIPE Region transit ASes present in the Internet Routing Table: 1067 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 187084864 Equivalent to 11 /8s, 38 /16s and 176 /24s Percentage of available RIPE address space announced: 65.6 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-34815 RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 6812 Total LACNIC prefixes after maximum aggregation: 2382 Prefixes being announced from the LACNIC address blocks: 6691 Unique aggregates announced from the LACNIC address blocks: 4033 LACNIC Region origin ASes present in the Internet Routing Table: 416 LACNIC Region origin ASes announcing only one prefix: 121 LACNIC Region transit ASes present in the Internet Routing Table: 83 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 17316608 Equivalent to 1 /8s, 8 /16s and 59 /24s Percentage of available LACNIC address space announced: 51.6 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1330 Total AfriNIC prefixes after maximum aggregation: 700 Prefixes being announced from the AfriNIC address blocks: 873 Unique aggregates announced from the AfriNIC address blocks: 692 AfriNIC Region origin ASes present in the Internet Routing Table: 96 AfriNIC Region origin ASes announcing only one prefix: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2107648 Equivalent to 0 /8s, 32 /16s and 41 /24s Percentage of available AfriNIC address space announced: 12.6 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4134 886 4624 173 Data Communications Bureau 1221 785 1183 560 Telstra Pty Ltd 4766 582 3414 279 Korea Internet Exchange for " 9583 569 48 11 Satyam Infoway Ltd., 4755 460 178 101 Videsh Sanchar Nigam Ltd. Aut 17676 393 5900 61 XTAGE CORPORATION 9443 362 71 77 Primus Telecommunications 2907 353 1856 326 SINET Japan 9929 350 164 35 China Netcom Corp. 17557 303 22 149 Pakistan Telecom 10036 294 27 270 C&M Communication Co. Ltd. 7545 279 86 67 TPG Internet Pty Ltd 7474 277 296 207 Optus Communications Pty Ltd 2764 273 254 220 connect.com.au pty ltd 703 271 340 212 UUNET 9800 238 383 76 CHINA UNICOM 4808 235 172 129 CHINANET core WAN North 9498 234 81 53 BHARTI BT INTERNET LTD. 4802 231 28 140 Wantree Development 7563 225 48 159 Korea Internet Infrastructure ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1457 6607 976 AT&T WorldNet Services 721 1122 21787 314 DLA Systems Automation Center 701 1063 8335 911 UUNET Technologies, Inc. 1239 926 2880 616 Sprint 6197 838 378 400 BellSouth Network Solutions, 4323 837 672 218 Time Warner Telecom 2386 813 505 601 AT&T Data Communications Serv 18566 766 208 6 Covad Communications 209 664 3404 503 Qwest 7015 596 212 22 AT&T Broadband 3356 591 10867 436 Level 3 Communications, LLC 20115 569 474 303 Charter Communications 3561 560 2370 415 Cable & Wireless USA 852 525 1126 399 Telus Advanced Communications 6478 501 819 96 AT&T Worldnet Services 3602 492 120 94 Sprint Canada, Inc. 27364 460 44 19 Armstrong Cable Services 6198 456 488 200 BellSouth Network Solutions, 7132 452 8395 381 SBC Internet Services 22773 436 1085 19 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 619 2023 511 UUNET - Commercial IP service 3320 291 2992 227 Deutsche Telekom AG 3301 287 1112 275 TeliaNet Sweden 8220 275 466 268 COLT Internet - International 680 253 2041 239 DFN-IP service G-WiN 3246 225 471 220 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 8708 210 119 191 Romania Data Systems S.A. 1257 205 708 171 SWIPnet Swedish IP Network 5515 187 842 135 Sonera Solution Autonomous Sy 3215 186 1022 79 France Telecom Transpac 786 176 1794 176 The JANET IP Service 6746 176 47 140 Dynamic Network Technologies, 8866 166 19 23 Bulgarian Telecommunication C 3269 161 1392 71 TELECOM ITALIA 3300 161 165 81 AUCS Communications Services 719 158 322 104 LANLINK autonomous system 5400 141 219 124 BT Ignite European Backbone 25186 140 122 99 France Telecom Transpac's Tra 3303 130 577 125 Swisscom Ltd LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 357 140 69 ImpSat 8151 335 489 142 UniNet S.A. de C.V. 16814 234 14 6 NSS, S.A. 11172 212 99 54 Servicios Alestra S.A de C.V 6147 189 102 20 Telefonica Del Peru 11664 158 19 24 Keytech SA 7303 149 68 22 Telecom Argentina Stet-France 6505 133 90 90 Global One Communicaoes Ltda 6503 116 147 81 AVANTEL, S.A. 14117 114 7 5 Telefonica del Sur S.A. 11992 107 9 31 Integrated Systems 11556 97 48 3 Cable-Wireless Panama 13999 89 52 9 Mega Cable S.A. de C.V. 14420 87 6 42 ANDINATEL S.A. 11311 86 8 22 Sinectis S.A. 6535 85 7 23 Chilesat Servicios Empresari 10481 83 32 7 Prima S.A. 4270 81 18 9 Red de Interconexion Universi 5639 81 8 8 Telecommunications Services o 15311 78 25 37 Telefonica Empresas AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 268 636 226 The Internet Solution 5536 113 16 4 Internet Egypt Network 2018 102 297 98 Tertiary Education Network 20928 84 16 2 Noor Advanced Technologies AS 2905 77 272 70 The Internetworking Company o 24835 56 34 6 RAYA Telecom - Egypt 8452 46 20 5 TEDATA 6713 34 38 9 Itissalat Al-MAGHRIB 9129 33 3 2 UUNET Kenya 12455 28 7 4 Jambonet Autonomous system 5713 27 141 24 Telkom SA Ltd 8524 23 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 21280 18 2 3 Swift Global Kenya Ltd.Is an 15706 15 4 2 Sudatel Internet Exchange Aut 21491 15 1 3 UTL On-line is RF broadband I 8346 14 7 14 SONATEL-AS Autonomous System 15808 13 1 2 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 721 1122 808 DLA Systems Automation Center 18566 766 760 Covad Communications 4134 886 713 Data Communications Bureau 4323 837 619 Time Warner Telecom 7015 596 574 AT&T Broadband 9583 569 558 Satyam Infoway Ltd., 27364 460 441 Armstrong Cable Services 6197 838 438 BellSouth Network Solutions, 22773 436 417 Cox Communications, Inc. Atla 5668 431 414 Century Telephone 6478 501 405 AT&T Worldnet Services 3602 492 398 Sprint Canada, Inc. 4755 460 359 Videsh Sanchar Nigam Ltd. Aut 22909 423 358 Comcast Cable Corporation 6467 366 335 E.Spire Communications, Inc. 17676 393 332 XTAGE CORPORATION 9929 350 315 China Netcom Corp. 1239 926 310 Sprint 4766 582 303 Korea Internet Exchange for " 13609 335 300 Choice One Communications Inc List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 64513 PRIVATE 149.117.96.0/24 577 Bell Advanced Commun 26422 UNALLOCATED 196.46.184.0/22 3741 The Internet Solutio 65002 PRIVATE 208.179.184.0/24 11509 The Pajo Group 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 172.212.0.0/16 1668 GNN Hosting Service 172.213.0.0/16 1668 GNN Hosting Service 172.214.0.0/16 1668 GNN Hosting Service 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T WorldNet Services 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.172.11.0/24 721 DLA Systems Automation Center 192.200.100.0/24 7018 AT&T WorldNet Services Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:3 /10:7 /11:14 /12:61 /13:143 /14:314 /15:574 /16:8279 /17:2384 /18:4070 /19:10046 /20:10613 /21:8393 /22:11673 /23:12907 /24:84525 /25:296 /26:266 /27:128 /28:63 /29:33 /30:127 /31:0 /32:46 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 751 766 Covad Communications 6197 683 838 BellSouth Network Solutions, 7018 621 1457 AT&T WorldNet Services 2386 586 813 AT&T Data Communications Serv 7015 564 596 AT&T Broadband 27364 445 460 Armstrong Cable Services 4766 398 582 Korea Internet Exchange for " 9583 398 569 Satyam Infoway Ltd., 702 377 619 UUNET - Commercial IP service 5668 371 431 Century Telephone 1239 367 926 Sprint 6198 328 456 BellSouth Network Solutions, 10036 294 294 C&M Communication Co. Ltd. 13609 292 335 Choice One Communications Inc 4323 282 837 Time Warner Telecom 6517 281 303 Yipes Communications, Inc. 6467 277 366 E.Spire Communications, Inc. 9929 275 350 China Netcom Corp. 701 263 1063 UUNET Technologies, Inc. 11456 263 308 Carolina Online, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:9 12:1487 13:1 15:6 16:2 17:3 18:4 20:4 24:1006 32:68 33:3 38:90 40:55 44:3 47:2 52:3 55:2 56:3 57:22 59:2 60:12 61:632 62:511 63:1836 64:2561 65:2098 66:2587 67:484 68:495 69:892 70:54 71:2 72:47 80:557 81:501 82:362 83:232 84:101 85:81 128:126 129:167 130:89 131:194 132:37 134:144 135:30 136:208 137:76 138:181 139:47 140:191 141:102 142:139 143:121 144:248 145:45 146:281 147:97 148:262 149:161 150:94 151:62 152:111 153:71 154:2 155:136 156:70 157:75 158:149 159:163 160:67 161:61 162:413 163:84 164:212 165:157 166:127 167:223 168:382 169:131 170:316 171:8 192:5646 193:3072 194:2252 195:1574 196:602 198:3850 199:3229 200:3941 201:43 202:5205 203:5887 204:3596 205:2009 206:2315 207:2648 208:2104 209:3060 210:1555 211:767 212:1146 213:1270 214:239 215:31 216:3703 217:1088 218:187 219:125 220:341 221:79 222:77 End of report

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The Cidr Report
by cidr-report＠potaroo.net 28 Jan '05

28 Jan '05

This report has been generated at Fri Jan 28 21:49:25 2005 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 21-01-05 150315 103500 22-01-05 151119 103502 23-01-05 150437 103475 24-01-05 150434 103516 25-01-05 150622 103724 26-01-05 150792 103854 27-01-05 150792 103116 28-01-05 150969 103172 AS Summary 18774 Number of ASes in routing system 7698 Number of ASes announcing only one prefix 1435 Largest number of prefixes announced by an AS AS7018 : ATTW AT&T WorldNet Services 90486528 Largest address span announced by an AS (/32s) AS721 : DNIC DoD Network Information Center Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 28Jan05 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 151027 103215 47812 31.7% All ASes AS18566 766 7 759 99.1% CVAD Covad Communications AS4134 839 206 633 75.4% CHINANET-BACKBONE No.31,Jin-rong Street AS4323 833 224 609 73.1% TWTC Time Warner Telecom AS721 1118 573 545 48.7% DNIC DoD Network Information Center AS7015 596 77 519 87.1% CCCH-3 Comcast Cable Communications Holdings, Inc AS7018 1435 973 462 32.2% ATTW AT&T WorldNet Services AS22773 436 19 417 95.6% CXA Cox Communications Inc. AS27364 460 46 414 90.0% ARMC Armstrong Cable Services AS6197 834 448 386 46.3% BNS-14 BellSouth Network Solutions, Inc AS6478 501 118 383 76.4% ATTW AT&T WorldNet Services AS3602 513 148 365 71.2% SPCA Sprint Canada Inc. AS22909 423 74 349 82.5% CMCS Comcast Cable Communications, Inc. AS1239 923 615 308 33.4% SPRN Sprint AS9929 340 35 305 89.7% CNCNET-CN China Netcom Corp. AS4766 568 279 289 50.9% KIXS-AS-KR Korea Telecom AS17676 391 103 288 73.7% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS14654 263 7 256 97.3% WAYPOR-3 Wayport AS9443 366 121 245 66.9% INTERNETPRIMUS-AS-AP Primus Telecommunications AS6140 378 141 237 62.7% IMPSA ImpSat AS4355 300 64 236 78.7% ERSD EARTHLINK, INC AS9583 576 343 233 40.5% SIFY-AS-IN Sify Limited AS25844 244 16 228 93.4% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS6198 447 225 222 49.7% BNS-14 BellSouth Network Solutions, Inc AS15270 245 32 213 86.9% PDP-14 PaeTec.net -a division of PaeTecCommunications, Inc. AS2386 812 609 203 25.0% ADCS-1 AT&T Data Communications Services AS23126 210 18 192 91.4% KTEL KMC Telecom, Inc. AS5668 426 241 185 43.4% CIH-12 CenturyTel Internet Holdings, Inc. AS19632 191 8 183 95.8% Metropolis Intercom AS6517 301 119 182 60.5% YIPS Yipes Communications, Inc. AS9498 235 54 181 77.0% BBIL-AP BHARTI BT INTERNET LTD. Total 15970 5943 10027 62.8% Top 30 total Possible Bogus Routes 24.138.80.0/20 AS11260 AHSICHCL Andara High Speed Internet c/o Halifax Cable Ltd. 24.246.0.0/17 AS7018 ATTW AT&T WorldNet Services 24.246.38.0/24 AS25994 NPGCAB NPG Cable, INC 24.246.128.0/18 AS7018 ATTW AT&T WorldNet Services 64.17.32.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.17.33.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.17.37.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.46.27.0/24 AS8674 NETNOD-IX Netnod Internet Exchange Sverige AB 64.57.160.0/19 AS3561 SAVVI-3 Savvis 64.92.128.0/19 AS3561 SAVVI-3 Savvis 64.127.0.0/18 AS7018 ATTW AT&T WorldNet Services 64.209.192.0/18 AS3561 SAVVI-3 Savvis 69.26.32.0/19 AS17307 VIRTEL-15 Virtela Communications 132.0.0.0/10 AS721 DNIC DoD Network Information Center 137.0.0.0/13 AS721 DNIC DoD Network Information Center 138.136.0.0/13 AS721 DNIC DoD Network Information Center 158.0.0.0/13 AS721 DNIC DoD Network Information Center 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.30.127.0/24 AS719 ELISA-AS Elisa Oyj 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.44.0.0/19 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 192.70.164.0/24 AS11814 IGST Information Gateway Services - Toronto 192.81.182.0/24 AS719 ELISA-AS Elisa Oyj 192.81.183.0/24 AS719 ELISA-AS Elisa Oyj 192.81.184.0/24 AS719 ELISA-AS Elisa Oyj 192.119.135.0/24 AS270 NASA National Aeronautics and Space Administration 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.133.6.0/24 AS4004 GLOBALONE-EQUANT-UK Equant UK & Greece Autonomous System 192.135.50.0/24 AS7018 ATTW AT&T WorldNet Services 192.153.144.0/21 AS721 DNIC DoD Network Information Center 192.172.0.0/19 AS721 DNIC DoD Network Information Center 192.188.208.0/20 AS721 DNIC DoD Network Information Center 192.200.100.0/24 AS7018 ATTW AT&T WorldNet Services 196.2.95.0/24 AS8668 TELONE-AS TelOne Zimbabwe P/L 198.23.26.0/24 AS4390 BELLAT-7 Bell Atlantic, Inc. 198.97.72.0/21 AS721 DNIC DoD Network Information Center 198.97.80.0/20 AS721 DNIC DoD Network Information Center 198.97.88.0/24 AS89 NUSC-1 Naval Underwater Systems Center 198.97.240.0/20 AS721 DNIC DoD Network Information Center 198.97.247.0/24 AS3475 DEPART-52 Department of the Navy 198.101.4.0/22 AS721 DNIC DoD Network Information Center 198.136.32.0/20 AS19329 MCBCC Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY CityNet, Inc. 198.161.87.0/24 AS6539 GTGR GT Group Telecom Services Corp. 198.163.155.0/24 AS684 MRN Manitoba Regional Network 198.167.0.0/16 AS7456 INS-51 Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 198.168.0.0/16 AS701 UU UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASK SaskTel 198.232.133.0/24 AS23075 SKOTOS Skotos Tech, Inc 199.10.0.0/16 AS721 DNIC DoD Network Information Center 199.60.0.0/20 AS271 UBC-3 University of British Columbia 199.96.44.0/23 AS19092 360NE-1 360Networks (USA) Inc. 199.96.46.0/24 AS19092 360NE-1 360Networks (USA) Inc. 199.114.0.0/21 AS721 DNIC DoD Network Information Center 199.114.128.0/18 AS721 DNIC DoD Network Information Center 199.114.130.0/24 AS721 DNIC DoD Network Information Center 199.114.132.0/24 AS721 DNIC DoD Network Information Center 199.114.134.0/24 AS3541 DISAUN DISA/UNRRA 199.114.136.0/24 AS27044 DNIC DoD Network Information Center 199.114.138.0/24 AS721 DNIC DoD Network Information Center 199.114.140.0/24 AS3544 DISAUN DISA/UNRRA 199.114.142.0/24 AS721 DNIC DoD Network Information Center 199.114.144.0/24 AS721 DNIC DoD Network Information Center 199.114.148.0/24 AS721 DNIC DoD Network Information Center 199.114.150.0/24 AS721 DNIC DoD Network Information Center 199.114.152.0/24 AS27033 DNIC DoD Network Information Center 199.114.154.0/24 AS1733 ADP-41 AF DDN PMO 199.114.156.0/24 AS27034 DNIC DoD Network Information Center 199.114.160.0/24 AS1733 ADP-41 AF DDN PMO 199.120.32.0/19 AS16582 NXLI NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS721 DNIC DoD Network Information Center 199.123.0.0/18 AS721 DNIC DoD Network Information Center 199.123.16.0/20 AS721 DNIC DoD Network Information Center 199.123.80.0/21 AS721 DNIC DoD Network Information Center 199.189.32.0/19 AS7332 IQUEST IQuest Internet 199.202.0.0/16 AS701 UU UUNET Technologies, Inc. 201.239.0.0/16 AS22047 VTR BANDA ANCHA S.A. 202.72.240.0/20 AS24320 RAILCOM Mongolian Railway Commercial Center Railcom 202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.86.252.0/22 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.164.224.0/19 AS7599 IPXC-AS-AP IP Exchange 203.32.4.0/23 AS7617 TELEONE-HK TeleTeleOne (HK) Limited 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.99.0.0/19 AS17746 ORCONINTERNET-NZ-AP Orcon Internet 203.170.14.0/23 AS6648 ASN-SKYINTERNET Autonomous System Number peering of BAYANTEL 203.210.69.0/24 AS17536 PRODIGY-AS-AP Prodidgy Telecommunications 204.154.125.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.194.110.0/23 AS30653 EXOBI Exobit Networks Inc. 205.150.0.0/15 AS701 UU UUNET Technologies, Inc. 206.29.168.0/21 AS10248 IPI Internet Partners, Inc. 206.128.104.0/21 AS11709 VIIN VIRTUAL INTERACTIVE CENTER 206.167.57.0/24 AS376 RISQR-3 Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 207.231.96.0/19 AS11194 NUNETI NuNet Inc 208.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 208.138.48.0/20 AS7955 SOURCE-48 SourceNet Corporation 209.27.51.0/24 AS14132 INTERN-582 Internet Gateway Inc. 209.205.69.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.70.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.81.0/24 AS15066 SkyNet de Colombia S.A. 209.205.82.0/24 AS15066 SkyNet de Colombia S.A. 209.205.84.0/24 AS15066 SkyNet de Colombia S.A. 209.213.32.0/19 AS10629 INS-52 Inter-Pacific Network Services 209.213.48.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.49.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.251.0.0/19 AS11036 SISCOM-1 SISCOM, Inc 216.37.110.0/23 AS4264 CERFN California Education and Research Federation Network 216.96.128.0/18 AS7018 ATTW AT&T WorldNet Services 216.145.156.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.158.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.176.0/21 AS20304 JIS-32 JVLNET Internet Services 216.145.177.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.178.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.184.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.185.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.186.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.187.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.188.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.189.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.190.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.191.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.200.0/21 AS20304 JIS-32 JVLNET Internet Services 216.171.96.0/20 AS3356 LEVEL3 Level 3 Communications 216.186.151.0/24 AS3356 LEVEL3 Level 3 Communications 216.186.152.0/21 AS3356 LEVEL3 Level 3 Communications 216.186.160.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.164.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.192.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.198.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.248.0/23 AS3356 LEVEL3 Level 3 Communications Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org swinog(a)swinog.ch

1 0

Weekly Routing Table Report
by Routing Table Analysis 21 Jan '05

21 Jan '05

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats(a)lists.apnic.net If you have any comments please contact Philip Smith <pfs(a)cisco.com>. Routing Table Report 04:00 +10GMT Sat 22 Jan, 2005 Analysis Summary ---------------- BGP routing table entries examined: 155157 Prefixes after maximum aggregation: 90262 Unique aggregates announced to Internet: 74120 Total ASes present in the Internet Routing Table: 18844 Origin-only ASes present in the Internet Routing Table: 16362 Origin ASes announcing only one prefix: 7675 Transit ASes present in the Internet Routing Table: 2482 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 19 Prefixes from unregistered ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 16 Number of addresses announced to Internet: 1368386088 Equivalent to 81 /8s, 143 /16s and 234 /24s Percentage of available address space announced: 36.9 Percentage of allocated address space announced: 59.7 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 72674 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30684 Total APNIC prefixes after maximum aggregation: 14870 Prefixes being announced from the APNIC address blocks: 28712 Unique aggregates announced from the APNIC address blocks: 14618 APNIC Region origin ASes present in the Internet Routing Table: 2188 APNIC Region origin ASes announcing only one prefix: 647 APNIC Region transit ASes present in the Internet Routing Table: 325 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 171804544 Equivalent to 10 /8s, 61 /16s and 135 /24s Percentage of available APNIC address space announced: 78.4 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 23552-24575 APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 87123 Total ARIN prefixes after maximum aggregation: 52178 Prefixes being announced from the ARIN address blocks: 65773 Unique aggregates announced from the ARIN address blocks: 24084 ARIN Region origin ASes present in the Internet Routing Table: 9824 ARIN Region origin ASes announcing only one prefix: 3546 ARIN Region transit ASes present in the Internet Routing Table: 970 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 239481856 Equivalent to 14 /8s, 70 /16s and 52 /24s Percentage of available ARIN address space announced: 71.4 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647,29695-30719, 31744-33791 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 29208 Total RIPE prefixes after maximum aggregation: 20133 Prefixes being announced from the RIPE address blocks: 26177 Unique aggregates announced from the RIPE address blocks: 17156 RIPE Region origin ASes present in the Internet Routing Table: 6248 RIPE Region origin ASes announcing only one prefix: 3338 RIPE Region transit ASes present in the Internet Routing Table: 1060 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 185679936 Equivalent to 11 /8s, 17 /16s and 64 /24s Percentage of available RIPE address space announced: 65.1 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-34815 RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 6814 Total LACNIC prefixes after maximum aggregation: 2381 Prefixes being announced from the LACNIC address blocks: 6683 Unique aggregates announced from the LACNIC address blocks: 3987 LACNIC Region origin ASes present in the Internet Routing Table: 413 LACNIC Region origin ASes announcing only one prefix: 120 LACNIC Region transit ASes present in the Internet Routing Table: 80 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 17302016 Equivalent to 1 /8s, 8 /16s and 2 /24s Percentage of available LACNIC address space announced: 51.6 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1323 Total AfriNIC prefixes after maximum aggregation: 700 Prefixes being announced from the AfriNIC address blocks: 866 Unique aggregates announced from the AfriNIC address blocks: 684 AfriNIC Region origin ASes present in the Internet Routing Table: 95 AfriNIC Region origin ASes announcing only one prefix: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2102016 Equivalent to 0 /8s, 32 /16s and 19 /24s Percentage of available AfriNIC address space announced: 12.5 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4134 881 4596 171 Data Communications Bureau 1221 787 1184 562 Telstra Pty Ltd 4766 576 3415 278 Korea Internet Exchange for " 9583 573 48 11 Satyam Infoway Ltd., 4755 454 177 95 Videsh Sanchar Nigam Ltd. Aut 17676 393 5900 61 XTAGE CORPORATION 9443 362 71 77 Primus Telecommunications 2907 354 1856 327 SINET Japan 9929 345 164 35 China Netcom Corp. 703 325 344 255 UUNET 17557 304 22 149 Pakistan Telecom 10036 294 27 270 C&M Communication Co. Ltd. 7545 278 86 67 TPG Internet Pty Ltd 2764 276 255 223 connect.com.au pty ltd 7474 273 268 203 Optus Communications Pty Ltd 9800 238 383 76 CHINA UNICOM 4808 234 172 128 CHINANET core WAN North 9498 232 81 52 BHARTI BT INTERNET LTD. 4802 230 28 139 Wantree Development 7563 226 48 158 Korea Internet Infrastructure ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1441 6602 971 AT&T WorldNet Services 721 1103 21739 309 DLA Systems Automation Center 701 1060 8331 910 UUNET Technologies, Inc. 1239 920 2879 613 Sprint 2386 849 523 601 AT&T Data Communications Serv 6197 834 378 391 BellSouth Network Solutions, 4323 827 671 224 Time Warner Telecom 18566 765 208 6 Covad Communications 209 674 3438 509 Qwest 3356 597 10867 441 Level 3 Communications, LLC 20115 566 470 302 Charter Communications 3561 549 2370 416 Cable & Wireless USA 852 526 1126 400 Telus Advanced Communications 6478 486 818 100 AT&T Worldnet Services 27364 460 44 19 Armstrong Cable Services 6198 450 388 200 BellSouth Network Solutions, 7132 450 8379 379 SBC Internet Services 22773 431 1085 19 Cox Communications, Inc. Atla 5668 429 87 17 Century Telephone 22909 418 915 65 Comcast Cable Corporation RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 620 2022 512 UUNET - Commercial IP service 3320 294 2992 228 Deutsche Telekom AG 3301 287 1112 275 TeliaNet Sweden 8220 279 466 267 COLT Internet - International 21502 276 40 3 NUMERICABLE is a cabled netwo 680 253 2041 239 DFN-IP service G-WiN 3246 226 487 221 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 8708 207 119 188 Romania Data Systems S.A. 1257 205 708 171 SWIPnet Swedish IP Network 5515 191 842 138 Sonera Solution Autonomous Sy 3215 186 1022 79 France Telecom Transpac 786 176 1794 176 The JANET IP Service 6746 174 47 139 Dynamic Network Technologies, 8866 165 19 22 Bulgarian Telecommunication C 3269 159 1360 70 TELECOM ITALIA 719 158 322 104 LANLINK autonomous system 3300 158 165 80 AUCS Communications Services 25186 142 138 100 France Telecom Transpac's Tra 5400 137 217 121 BT Ignite European Backbone LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 356 140 69 ImpSat 8151 335 489 142 UniNet S.A. de C.V. 16814 234 14 6 NSS, S.A. 11172 217 99 54 Servicios Alestra S.A de C.V 6147 189 102 20 Telefonica Del Peru 11664 159 19 24 Keytech SA 7303 149 68 22 Telecom Argentina Stet-France 6505 136 90 92 Global One Communicaoes Ltda 6503 125 147 83 AVANTEL, S.A. 14117 114 7 5 Telefonica del Sur S.A. 11992 106 9 31 Integrated Systems 11556 97 48 3 Cable-Wireless Panama 13999 89 52 9 Mega Cable S.A. de C.V. 11311 86 8 22 Sinectis S.A. 6535 85 7 23 Chilesat Servicios Empresari 14420 85 6 40 ANDINATEL S.A. 10481 82 32 7 Prima S.A. 4270 80 18 9 Red de Interconexion Universi 5639 79 8 8 Telecommunications Services o 15311 78 25 37 Telefonica Empresas AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 268 636 226 The Internet Solution 5536 113 16 4 Internet Egypt Network 2018 102 297 98 Tertiary Education Network 2905 77 272 70 The Internetworking Company o 20928 77 16 2 Noor Advanced Technologies AS 24835 55 34 7 RAYA Telecom - Egypt 8452 47 20 5 TEDATA 6713 34 38 9 Itissalat Al-MAGHRIB 9129 33 3 2 UUNET Kenya 12455 28 7 4 Jambonet Autonomous system 5713 27 141 24 Telkom SA Ltd 8524 23 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 21280 18 2 3 Swift Global Kenya Ltd.Is an 8346 15 7 14 SONATEL-AS Autonomous System 15706 15 4 2 Sudatel Internet Exchange Aut 21491 15 1 3 UTL On-line is RF broadband I 15808 13 1 2 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 721 1103 794 DLA Systems Automation Center 18566 765 759 Covad Communications 4134 881 710 Data Communications Bureau 4323 827 603 Time Warner Telecom 9583 573 562 Satyam Infoway Ltd., 6197 834 443 BellSouth Network Solutions, 27364 460 441 Armstrong Cable Services 22773 431 412 Cox Communications, Inc. Atla 5668 429 412 Century Telephone 6478 486 386 AT&T Worldnet Services 4755 454 359 Videsh Sanchar Nigam Ltd. Aut 22909 418 353 Comcast Cable Corporation 6467 372 341 E.Spire Communications, Inc. 17676 393 332 XTAGE CORPORATION 1580 334 318 ANOSCEUR 9929 345 310 China Netcom Corp. 1239 920 307 Sprint 13609 334 299 Choice One Communications Inc 4766 576 298 Korea Internet Exchange for " 6140 356 287 ImpSat List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 26422 UNALLOCATED 196.46.184.0/22 3741 The Internet Solutio 65002 PRIVATE 208.179.184.0/24 11509 The Pajo Group 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T WorldNet Services 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.172.11.0/24 721 DLA Systems Automation Center 192.200.100.0/24 7018 AT&T WorldNet Services Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:3 /10:7 /11:15 /12:60 /13:143 /14:314 /15:575 /16:8256 /17:2381 /18:4070 /19:9997 /20:10520 /21:8305 /22:11560 /23:12891 /24:84836 /25:443 /26:366 /27:127 /28:62 /29:35 /30:127 /31:0 /32:45 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 750 765 Covad Communications 6197 680 834 BellSouth Network Solutions, 2386 622 849 AT&T Data Communications Serv 7018 610 1441 AT&T WorldNet Services 27364 445 460 Armstrong Cable Services 9583 400 573 Satyam Infoway Ltd., 4766 393 576 Korea Internet Exchange for " 702 379 620 UUNET - Commercial IP service 5668 370 429 Century Telephone 1239 366 920 Sprint 6198 327 450 BellSouth Network Solutions, 1580 320 334 ANOSCEUR 10036 294 294 C&M Communication Co. Ltd. 13609 291 334 Choice One Communications Inc 6467 283 372 E.Spire Communications, Inc. 6517 283 306 Yipes Communications, Inc. 4323 278 827 Time Warner Telecom 21502 273 276 NUMERICABLE is a cabled netwo 9929 270 345 China Netcom Corp. 701 265 1060 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:9 12:1479 13:1 15:6 16:2 17:3 18:4 20:4 24:832 32:69 33:3 38:90 40:55 44:3 47:2 52:3 55:2 56:3 57:23 59:2 60:12 61:672 62:516 63:1852 64:2549 65:2085 66:2544 67:485 68:492 69:877 70:54 71:2 72:41 80:547 81:665 82:397 83:229 84:89 85:79 128:121 129:167 130:89 131:193 132:36 134:202 135:30 136:419 137:78 138:162 139:40 140:301 141:102 142:136 143:120 144:250 145:45 146:281 147:201 148:264 149:130 150:93 151:62 152:113 153:71 154:2 155:136 156:70 157:75 158:149 159:162 160:65 161:59 162:410 163:84 164:213 165:155 166:128 167:224 168:375 169:131 170:323 171:8 192:5651 193:3048 194:2235 195:1564 196:598 198:3826 199:3298 200:3941 201:44 202:5159 203:5930 204:3579 205:2067 206:2270 207:2621 208:2110 209:3062 210:1544 211:734 212:1149 213:1268 214:237 215:31 216:3725 217:1076 218:187 219:131 220:338 221:79 222:73 End of report

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The Cidr Report
by cidr-report＠potaroo.net 21 Jan '05

21 Jan '05

This report has been generated at Fri Jan 21 21:44:23 2005 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 14-01-05 149708 103062 15-01-05 149634 103087 16-01-05 149549 103118 17-01-05 149515 103257 18-01-05 149701 103146 19-01-05 149753 103186 20-01-05 149979 103368 21-01-05 150315 103512 AS Summary 18735 Number of ASes in routing system 7671 Number of ASes announcing only one prefix 1430 Largest number of prefixes announced by an AS AS7018 : ATTW AT&T WorldNet Services 90147072 Largest address span announced by an AS (/32s) AS721 : DNIC DoD Network Information Center Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 21Jan05 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 151111 103498 47613 31.5% All ASes AS18566 765 7 758 99.1% CVAD Covad Communications AS4134 834 200 634 76.0% CHINANET-BACKBONE No.31,Jin-rong Street AS4323 825 232 593 71.9% TWTC Time Warner Telecom AS721 1100 595 505 45.9% DNIC DoD Network Information Center AS27364 460 34 426 92.6% ARMC Armstrong Cable Services AS22773 429 19 410 95.6% CXA Cox Communications Inc. AS6197 829 452 377 45.5% BNS-14 BellSouth Network Solutions, Inc AS7018 1430 1085 345 24.1% ATTW AT&T WorldNet Services AS6478 486 146 340 70.0% ATTW AT&T WorldNet Services AS9929 342 35 307 89.8% CNCNET-CN China Netcom Corp. AS1239 919 613 306 33.3% SPRN Sprint AS17676 391 89 302 77.2% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS22909 418 125 293 70.1% CMCS Comcast Cable Communications, Inc. AS4766 560 278 282 50.4% KIXS-AS-KR Korea Telecom AS21502 276 3 273 98.9% ASN-NUMERICABLE NUMERICABLE is a cabled network in France, AS14654 263 7 256 97.3% WAYPOR-3 Wayport AS9443 366 121 245 66.9% INTERNETPRIMUS-AS-AP Primus Telecommunications AS6140 377 134 243 64.5% IMPSA ImpSat AS4355 300 64 236 78.7% ERSD EARTHLINK, INC AS9583 572 340 232 40.6% SIFY-AS-IN Sify Limited AS25844 242 16 226 93.4% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS2386 848 626 222 26.2% ADCS-1 AT&T Data Communications Services AS6198 446 224 222 49.8% BNS-14 BellSouth Network Solutions, Inc AS15270 245 32 213 86.9% PDP-14 PaeTec.net -a division of PaeTecCommunications, Inc. AS3602 302 106 196 64.9% SPCA Sprint Canada Inc. AS5668 429 235 194 45.2% CIH-12 CenturyTel Internet Holdings, Inc. AS1580 197 13 184 93.4% DNIC DoD Network Information Center AS6517 304 121 183 60.2% YIPS Yipes Communications, Inc. AS19632 191 9 182 95.3% Metropolis Intercom AS9498 234 54 180 76.9% BBIL-AP BHARTI BT INTERNET LTD. Total 15380 6015 9365 60.9% Top 30 total Possible Bogus Routes 24.246.0.0/17 AS7018 ATTW AT&T WorldNet Services 24.246.38.0/24 AS25994 NPGCAB NPG Cable, INC 24.246.128.0/18 AS7018 ATTW AT&T WorldNet Services 64.17.32.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.17.33.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.17.37.0/24 AS5024 BRIDGE-75 BridgeNet, LC 64.46.27.0/24 AS8674 NETNOD-IX Netnod Internet Exchange Sverige AB 64.57.160.0/19 AS3561 SAVVI-3 Savvis 64.92.128.0/19 AS3561 SAVVI-3 Savvis 64.127.0.0/18 AS7018 ATTW AT&T WorldNet Services 64.209.192.0/18 AS3561 SAVVI-3 Savvis 69.26.32.0/19 AS17307 VIRTEL-15 Virtela Communications 132.0.0.0/10 AS721 DNIC DoD Network Information Center 137.0.0.0/13 AS721 DNIC DoD Network Information Center 138.136.0.0/13 AS721 DNIC DoD Network Information Center 158.0.0.0/13 AS721 DNIC DoD Network Information Center 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.30.127.0/24 AS719 ELISA-AS Elisa Oyj 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.44.0.0/19 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 192.70.164.0/24 AS25689 NRCC-2 National Research Council of Canada 192.81.182.0/24 AS719 ELISA-AS Elisa Oyj 192.81.183.0/24 AS719 ELISA-AS Elisa Oyj 192.81.184.0/24 AS719 ELISA-AS Elisa Oyj 192.119.135.0/24 AS270 NASA National Aeronautics and Space Administration 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.133.6.0/24 AS4004 GLOBALONE-EQUANT-UK Equant UK & Greece Autonomous System 192.135.50.0/24 AS7018 ATTW AT&T WorldNet Services 192.153.144.0/21 AS721 DNIC DoD Network Information Center 192.172.0.0/19 AS721 DNIC DoD Network Information Center 192.188.208.0/20 AS721 DNIC DoD Network Information Center 192.200.100.0/24 AS7018 ATTW AT&T WorldNet Services 196.2.95.0/24 AS8668 TELONE-AS TelOne Zimbabwe P/L 198.23.26.0/24 AS4390 BELLAT-7 Bell Atlantic, Inc. 198.97.72.0/21 AS721 DNIC DoD Network Information Center 198.97.80.0/20 AS721 DNIC DoD Network Information Center 198.97.88.0/24 AS89 NUSC-1 Naval Underwater Systems Center 198.97.240.0/20 AS721 DNIC DoD Network Information Center 198.97.247.0/24 AS3475 DEPART-52 Department of the Navy 198.101.4.0/22 AS721 DNIC DoD Network Information Center 198.136.32.0/20 AS19329 MCBCC Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY CityNet, Inc. 198.161.87.0/24 AS6539 GTGR GT Group Telecom Services Corp. 198.163.155.0/24 AS684 MRN Manitoba Regional Network 198.167.0.0/16 AS7456 INS-51 Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 198.168.0.0/16 AS701 UU UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASK SaskTel 198.232.133.0/24 AS23075 SKOTOS Skotos Tech, Inc 199.10.0.0/16 AS721 DNIC DoD Network Information Center 199.60.0.0/20 AS271 UBC-3 University of British Columbia 199.96.44.0/23 AS19092 360NE-1 360Networks (USA) Inc. 199.96.46.0/24 AS19092 360NE-1 360Networks (USA) Inc. 199.114.0.0/18 AS568 DISOUN DISO-UNRRA 199.114.0.0/21 AS721 DNIC DoD Network Information Center 199.114.128.0/18 AS721 DNIC DoD Network Information Center 199.114.130.0/24 AS721 DNIC DoD Network Information Center 199.114.132.0/24 AS721 DNIC DoD Network Information Center 199.114.134.0/24 AS3541 DISAUN DISA/UNRRA 199.114.136.0/24 AS27044 DNIC DoD Network Information Center 199.114.138.0/24 AS721 DNIC DoD Network Information Center 199.114.140.0/24 AS3544 DISAUN DISA/UNRRA 199.114.142.0/24 AS721 DNIC DoD Network Information Center 199.114.144.0/24 AS721 DNIC DoD Network Information Center 199.114.148.0/24 AS721 DNIC DoD Network Information Center 199.114.150.0/24 AS721 DNIC DoD Network Information Center 199.114.152.0/24 AS27033 DNIC DoD Network Information Center 199.114.154.0/24 AS1733 ADP-41 AF DDN PMO 199.114.156.0/24 AS27034 DNIC DoD Network Information Center 199.114.160.0/24 AS1733 ADP-41 AF DDN PMO 199.120.32.0/19 AS16582 NXLI NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS721 DNIC DoD Network Information Center 199.123.0.0/18 AS721 DNIC DoD Network Information Center 199.123.16.0/20 AS721 DNIC DoD Network Information Center 199.123.80.0/21 AS721 DNIC DoD Network Information Center 199.189.32.0/19 AS7332 IQUEST IQuest Internet 199.202.0.0/16 AS701 UU UUNET Technologies, Inc. 201.239.0.0/16 AS22047 VTR BANDA ANCHA S.A. 202.72.240.0/20 AS24320 RAILCOM Mongolian Railway Commercial Center Railcom 202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.86.252.0/22 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.148.32.0/20 AS17495 GATEWAY-AP BROADBAND WIRELESSS INTERNET SERVICE PROVIDER 202.164.224.0/19 AS7599 IPXC-AS-AP IP Exchange 203.32.4.0/23 AS7617 TELEONE-HK TeleTeleOne (HK) Limited 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.99.0.0/19 AS17746 ORCONINTERNET-NZ-AP Orcon Internet 203.170.14.0/23 AS6648 ASN-SKYINTERNET Autonomous System Number peering of BAYANTEL 203.210.69.0/24 AS17536 PRODIGY-AS-AP Prodidgy Telecommunications 204.154.125.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.194.110.0/23 AS30653 EXOBI Exobit Networks Inc. 205.150.0.0/15 AS701 UU UUNET Technologies, Inc. 206.29.168.0/21 AS10248 IPI Internet Partners, Inc. 206.128.104.0/21 AS11709 VIIN VIRTUAL INTERACTIVE CENTER 206.167.57.0/24 AS376 RISQR-3 Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 207.231.96.0/19 AS11194 NUNETI NuNet Inc 208.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 208.138.48.0/20 AS7955 SOURCE-48 SourceNet Corporation 209.27.51.0/24 AS14132 INTERN-582 Internet Gateway Inc. 209.172.0.0/18 AS7770 TRTI Triton Technologies, Inc. 209.205.69.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.70.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.81.0/24 AS15066 SkyNet de Colombia S.A. 209.205.82.0/24 AS15066 SkyNet de Colombia S.A. 209.205.84.0/24 AS15066 SkyNet de Colombia S.A. 209.213.32.0/19 AS10629 INS-52 Inter-Pacific Network Services 209.213.48.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.49.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.251.0.0/19 AS11036 SISCOM-1 SISCOM, Inc 216.37.110.0/23 AS4264 CERFN California Education and Research Federation Network 216.96.128.0/18 AS7018 ATTW AT&T WorldNet Services 216.145.156.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.158.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.176.0/21 AS20304 JIS-32 JVLNET Internet Services 216.145.177.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.178.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.184.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.185.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.186.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.187.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.188.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.189.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.190.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.191.0/24 AS10758 INWAVE INWave Internet, Inc 216.145.200.0/21 AS20304 JIS-32 JVLNET Internet Services 216.171.96.0/20 AS3356 LEVEL3 Level 3 Communications 216.186.151.0/24 AS3356 LEVEL3 Level 3 Communications 216.186.152.0/21 AS3356 LEVEL3 Level 3 Communications 216.186.160.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.164.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.192.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.198.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.248.0/23 AS3356 LEVEL3 Level 3 Communications Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org swinog(a)swinog.ch

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