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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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New IPv6 Address Block Allocated to RIPE NCC
by leo vegoda 17 Jan '05

17 Jan '05

Dear Colleagues, The RIPE NCC received the IPv6 address range 2003:0000::/18 from the IANA in January 2005. You may wish to adjust any filters you have in place accordingly. More information on the IP space administered by the RIPE NCC can be found on our web site at: <https://www.ripe.net/ripe/docs/smallest-alloc-sizes.html> Regards, -- leo vegoda Registration Services Manager RIPE NCC

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Weekly Routing Table Report
by Routing Table Analysis 14 Jan '05

14 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 15 Jan, 2005 Analysis Summary ---------------- BGP routing table entries examined: 153359 Prefixes after maximum aggregation: 90003 Unique aggregates announced to Internet: 73829 Total ASes present in the Internet Routing Table: 18787 Origin-only ASes present in the Internet Routing Table: 16317 Origin ASes announcing only one prefix: 7641 Transit ASes present in the Internet Routing Table: 2470 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: 19 Prefixes from unregistered ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 16 Number of addresses announced to Internet: 1365929640 Equivalent to 81 /8s, 106 /16s and 110 /24s Percentage of available address space announced: 36.9 Percentage of allocated address space announced: 59.6 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 71169 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30377 Total APNIC prefixes after maximum aggregation: 14775 Prefixes being announced from the APNIC address blocks: 28417 Unique aggregates announced from the APNIC address blocks: 14569 APNIC Region origin ASes present in the Internet Routing Table: 2192 APNIC Region origin ASes announcing only one prefix: 646 APNIC Region transit ASes present in the Internet Routing Table: 330 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 171452544 Equivalent to 10 /8s, 56 /16s and 40 /24s Percentage of available APNIC address space announced: 78.2 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: 85730 Total ARIN prefixes after maximum aggregation: 52065 Prefixes being announced from the ARIN address blocks: 65406 Unique aggregates announced from the ARIN address blocks: 23973 ARIN Region origin ASes present in the Internet Routing Table: 9797 ARIN Region origin ASes announcing only one prefix: 3533 ARIN Region transit ASes present in the Internet Routing Table: 967 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 238498048 Equivalent to 14 /8s, 55 /16s and 49 /24s Percentage of available ARIN address space announced: 71.1 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: 29121 Total RIPE prefixes after maximum aggregation: 20079 Prefixes being announced from the RIPE address blocks: 26017 Unique aggregates announced from the RIPE address blocks: 17055 RIPE Region origin ASes present in the Internet Routing Table: 6214 RIPE Region origin ASes announcing only one prefix: 3319 RIPE Region transit ASes present in the Internet Routing Table: 1048 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 184494528 Equivalent to 10 /8s, 255 /16s and 41 /24s Percentage of available RIPE address space announced: 64.7 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: 6803 Total LACNIC prefixes after maximum aggregation: 2382 Prefixes being announced from the LACNIC address blocks: 6667 Unique aggregates announced from the LACNIC address blocks: 4004 LACNIC Region origin ASes present in the Internet Routing Table: 411 LACNIC Region origin ASes announcing only one prefix: 119 LACNIC Region transit ASes present in the Internet Routing Table: 78 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 17255168 Equivalent to 1 /8s, 7 /16s and 75 /24s Percentage of available LACNIC address space announced: 51.4 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: 702 Prefixes being announced from the AfriNIC address blocks: 868 Unique aggregates announced from the AfriNIC address blocks: 685 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: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2103552 Equivalent to 0 /8s, 32 /16s and 25 /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 878 4611 169 Data Communications Bureau 1221 782 1183 559 Telstra Pty Ltd 4766 563 3413 275 Korea Internet Exchange for " 9583 559 48 11 Satyam Infoway Ltd., 4755 436 176 79 Videsh Sanchar Nigam Ltd. Aut 17676 391 5868 59 XTAGE CORPORATION 9443 362 71 77 Primus Telecommunications 2907 354 1856 327 SINET Japan 9929 348 164 35 China Netcom Corp. 703 325 344 255 UUNET 17557 308 22 151 Pakistan Telecom 10036 294 27 270 C&M Communication Co. Ltd. 2764 281 255 224 connect.com.au pty ltd 7474 273 268 203 Optus Communications Pty Ltd 9800 238 383 76 CHINA UNICOM 7545 236 86 67 TPG Internet Pty Ltd 9498 231 81 53 BHARTI BT INTERNET LTD. 4802 230 28 139 Wantree Development 7563 226 48 158 Korea Internet Infrastructure 17974 223 62 11 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1427 6603 967 AT&T WorldNet Services 721 1094 21722 304 DLA Systems Automation Center 701 1056 8316 908 UUNET Technologies, Inc. 1239 926 2880 622 Sprint 2386 850 508 602 AT&T Data Communications Serv 4323 827 671 227 Time Warner Telecom 6197 827 373 371 BellSouth Network Solutions, 18566 765 208 6 Covad Communications 209 669 3437 506 Qwest 3356 607 10887 446 Level 3 Communications, LLC 20115 568 471 304 Charter Communications 3561 547 2370 415 Cable & Wireless USA 852 527 1126 401 Telus Advanced Communications 6478 480 818 100 AT&T Worldnet Services 7132 452 8379 381 SBC Internet Services 6198 450 388 200 BellSouth Network Solutions, 27364 442 44 19 Armstrong Cable Services 5668 428 87 18 Century Telephone 22909 422 914 64 Comcast Cable Corporation 22773 421 973 24 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 623 2023 514 UUNET - Commercial IP service 3320 292 2992 231 Deutsche Telekom AG 3301 288 1112 276 TeliaNet Sweden 8220 280 466 268 COLT Internet - International 21502 274 40 3 NUMERICABLE is a cabled netwo 680 254 2041 240 DFN-IP service G-WiN 3246 226 487 221 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 1257 205 708 171 SWIPnet Swedish IP Network 8708 204 119 188 Romania Data Systems S.A. 5515 191 842 138 Sonera Solution Autonomous Sy 3215 180 998 76 France Telecom Transpac 786 176 1794 176 The JANET IP Service 6746 171 47 136 Dynamic Network Technologies, 8866 164 18 22 Bulgarian Telecommunication C 3269 159 1360 70 TELECOM ITALIA 719 158 322 104 LANLINK autonomous system 3300 154 165 78 AUCS Communications Services 25186 145 138 101 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 354 140 68 ImpSat 8151 332 485 143 UniNet S.A. de C.V. 16814 234 14 6 NSS, S.A. 11172 214 99 54 Servicios Alestra S.A de C.V 6147 188 102 20 Telefonica Del Peru 11664 159 19 24 Keytech SA 7303 148 67 21 Telecom Argentina Stet-France 6505 138 90 94 Global One Communicaoes Ltda 6503 124 147 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 88 52 9 Mega Cable S.A. de C.V. 11311 86 8 22 Sinectis S.A. 14420 85 6 40 ANDINATEL S.A. 6535 84 7 25 Chilesat Servicios Empresari 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 54 34 7 RAYA Telecom - Egypt 8452 47 20 5 TEDATA 6713 34 38 9 Itissalat Al-MAGHRIB 9129 33 3 2 UUNET Kenya 5713 27 141 24 Telkom SA Ltd 12455 24 7 4 Jambonet Autonomous system 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 1094 790 DLA Systems Automation Center 18566 765 759 Covad Communications 4134 878 709 Data Communications Bureau 4323 827 600 Time Warner Telecom 9583 559 548 Satyam Infoway Ltd., 6197 827 456 BellSouth Network Solutions, 27364 442 423 Armstrong Cable Services 5668 428 410 Century Telephone 22773 421 397 Cox Communications, Inc. Atla 6478 480 380 AT&T Worldnet Services 22909 422 358 Comcast Cable Corporation 4755 436 357 Videsh Sanchar Nigam Ltd. Aut 6467 372 341 E.Spire Communications, Inc. 17676 391 332 XTAGE CORPORATION 9929 348 313 China Netcom Corp. 1239 926 304 Sprint 13609 334 299 Choice One Communications Inc 4766 563 288 Korea Internet Exchange for " 6140 354 286 ImpSat 9443 362 285 Primus Telecommunications 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 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. 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 /12:59 /13:142 /14:315 /15:570 /16:8242 /17:2358 /18:4029 /19:9964 /20:10470 /21:8206 /22:11447 /23:12857 /24:83778 /25:258 /26:234 /27:122 /28:63 /29:35 /30:123 /31:0 /32:43 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 750 765 Covad Communications 6197 673 827 BellSouth Network Solutions, 2386 626 850 AT&T Data Communications Serv 7018 590 1427 AT&T WorldNet Services 27364 427 442 Armstrong Cable Services 9583 386 559 Satyam Infoway Ltd., 4766 381 563 Korea Internet Exchange for " 702 380 623 UUNET - Commercial IP service 5668 371 428 Century Telephone 1239 367 926 Sprint 6198 327 450 BellSouth Network Solutions, 10036 294 294 C&M Communication Co. Ltd. 13609 291 334 Choice One Communications Inc 6517 288 312 Yipes Communications, Inc. 6467 283 372 E.Spire Communications, Inc. 4323 277 827 Time Warner Telecom 9929 277 348 China Netcom Corp. 21502 271 274 NUMERICABLE is a cabled netwo 701 263 1056 UUNET Technologies, Inc. 11456 261 306 Carolina Online, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:10 12:1476 13:1 15:6 16:2 17:3 18:4 20:4 24:727 32:68 33:3 38:88 40:55 44:3 47:2 52:3 55:2 56:3 57:21 59:2 60:12 61:652 62:518 63:1848 64:2539 65:2078 66:2503 67:480 68:493 69:858 70:52 71:1 72:29 80:541 81:660 82:397 83:228 84:86 85:74 128:122 129:167 130:115 131:193 132:35 134:145 135:30 136:188 137:79 138:163 139:39 140:199 141:102 142:133 143:124 144:169 145:45 146:282 147:88 148:264 149:128 150:93 151:62 152:115 153:71 154:2 155:134 156:70 157:74 158:149 159:162 160:64 161:60 162:408 163:82 164:213 165:157 166:127 167:223 168:371 169:131 170:323 171:8 192:5659 193:3050 194:2231 195:1556 196:601 198:3861 199:3264 200:3926 201:43 202:5109 203:5900 204:3557 205:2084 206:2272 207:2617 208:2105 209:3044 210:1528 211:743 212:1148 213:1259 214:235 215:31 216:3726 217:1062 218:179 219:86 220:322 221:78 222:57 End of report

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The Cidr Report
by cidr-report＠potaroo.net 14 Jan '05

14 Jan '05

This report has been generated at Fri Jan 14 21:44:24 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 07-01-05 149489 102971 08-01-05 149513 103003 09-01-05 149570 103031 10-01-05 149549 103027 11-01-05 149748 102959 12-01-05 149201 102941 13-01-05 149254 103118 14-01-05 149708 103136 AS Summary 18676 Number of ASes in routing system 7641 Number of ASes announcing only one prefix 1416 Largest number of prefixes announced by an AS AS7018 : ATTW AT&T WorldNet Services 90137600 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'). --- 14Jan05 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 149691 103137 46554 31.1% All ASes AS18566 765 7 758 99.1% CVAD Covad Communications AS4134 830 197 633 76.3% CHINANET-BACKBONE No.31,Jin-rong Street AS4323 829 235 594 71.7% TWTC Time Warner Telecom AS721 1095 598 497 45.4% DNIC DoD Network Information Center AS27364 442 33 409 92.5% ARMC Armstrong Cable Services AS22773 422 25 397 94.1% CXA Cox Communications Inc. AS6197 826 452 374 45.3% BNS-14 BellSouth Network Solutions, Inc AS7018 1416 1067 349 24.6% ATTW AT&T WorldNet Services AS6478 480 149 331 69.0% ATTW AT&T WorldNet Services AS1239 927 619 308 33.2% SPRN Sprint AS9929 338 35 303 89.6% CNCNET-CN China Netcom Corp. AS17676 389 87 302 77.6% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS22909 421 123 298 70.8% CMCS Comcast Cable Communications, Inc. AS4766 545 274 271 49.7% KIXS-AS-KR Korea Telecom AS21502 274 3 271 98.9% ASN-NUMERICABLE NUMERICABLE is a cabled network in France, AS14654 264 7 257 97.3% WAYPOR-3 Wayport AS9443 366 121 245 66.9% INTERNETPRIMUS-AS-AP Primus Telecommunications AS6140 375 133 242 64.5% IMPSA ImpSat AS4355 300 64 236 78.7% ERSD EARTHLINK, INC AS2386 848 620 228 26.9% ADCS-1 AT&T Data Communications Services AS25844 244 17 227 93.0% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS6198 446 224 222 49.8% BNS-14 BellSouth Network Solutions, Inc AS9583 561 339 222 39.6% SIFY-AS-IN Sify Limited AS15270 243 36 207 85.2% PDP-14 PaeTec.net -a division of PaeTecCommunications, Inc. AS3602 314 111 203 64.6% SPCA Sprint Canada Inc. AS5668 428 238 190 44.4% CIH-12 CenturyTel Internet Holdings, Inc. AS6517 309 123 186 60.2% YIPS Yipes Communications, Inc. AS19632 191 9 182 95.3% Metropolis Intercom AS9498 232 52 180 77.6% BBIL-AP BHARTI BT INTERNET LTD. AS9304 210 38 172 81.9% HUTCHISON-AS-AP Hutchison Global Communications Total 15330 6036 9294 60.6% 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 65.19.240.0/20 AS8057 VSNT Vision Net, Inc. 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 202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 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 Sky Internet - BAYANTEL Inc. - Philppines 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 209.17.80.0/24 AS32272 CLEAR-17 ClearSkye Communications Inc 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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Weekly Routing Table Report
by Routing Table Analysis 07 Jan '05

07 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 08 Jan, 2005 Analysis Summary ---------------- BGP routing table entries examined: 153319 Prefixes after maximum aggregation: 89967 Unique aggregates announced to Internet: 73706 Total ASes present in the Internet Routing Table: 18741 Origin-only ASes present in the Internet Routing Table: 16272 Origin ASes announcing only one prefix: 7627 Transit ASes present in the Internet Routing Table: 2469 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: 20 Prefixes from unregistered ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 16 Number of addresses announced to Internet: 1362623528 Equivalent to 81 /8s, 55 /16s and 252 /24s Percentage of available address space announced: 36.8 Percentage of allocated address space announced: 59.4 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 71007 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30236 Total APNIC prefixes after maximum aggregation: 14760 Prefixes being announced from the APNIC address blocks: 28293 Unique aggregates announced from the APNIC address blocks: 14546 APNIC Region origin ASes present in the Internet Routing Table: 2175 APNIC Region origin ASes announcing only one prefix: 643 APNIC Region transit ASes present in the Internet Routing Table: 329 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 171180032 Equivalent to 10 /8s, 52 /16s and 0 /24s Percentage of available APNIC address space announced: 78.1 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: 86049 Total ARIN prefixes after maximum aggregation: 52107 Prefixes being announced from the ARIN address blocks: 65837 Unique aggregates announced from the ARIN address blocks: 23938 ARIN Region origin ASes present in the Internet Routing Table: 9789 ARIN Region origin ASes announcing only one prefix: 3533 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: 236672000 Equivalent to 14 /8s, 27 /16s and 84 /24s Percentage of available ARIN address space announced: 70.5 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: 28899 Total RIPE prefixes after maximum aggregation: 20012 Prefixes being announced from the RIPE address blocks: 25851 Unique aggregates announced from the RIPE address blocks: 17003 RIPE Region origin ASes present in the Internet Routing Table: 6194 RIPE Region origin ASes announcing only one prefix: 3307 RIPE Region transit ASes present in the Internet Routing Table: 1056 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 183979200 Equivalent to 10 /8s, 247 /16s and 76 /24s Percentage of available RIPE address space announced: 64.5 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: 2387 Prefixes being announced from the LACNIC address blocks: 6668 Unique aggregates announced from the LACNIC address blocks: 4044 LACNIC Region origin ASes present in the Internet Routing Table: 412 LACNIC Region origin ASes announcing only one prefix: 121 LACNIC Region transit ASes present in the Internet Routing Table: 77 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 17046016 Equivalent to 1 /8s, 4 /16s and 26 /24s Percentage of available LACNIC address space announced: 50.8 LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1314 Total AfriNIC prefixes after maximum aggregation: 701 Prefixes being announced from the AfriNIC address blocks: 868 Unique aggregates announced from the AfriNIC address blocks: 686 AfriNIC Region origin ASes present in the Internet Routing Table: 95 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 2103808 Equivalent to 0 /8s, 32 /16s and 26 /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 876 4610 167 Data Communications Bureau 1221 787 1184 562 Telstra Pty Ltd 9583 581 47 29 Satyam Infoway Ltd., 4766 561 3413 275 Korea Internet Exchange for " 4755 433 176 80 Videsh Sanchar Nigam Ltd. Aut 17676 390 5852 60 XTAGE CORPORATION 9443 362 71 77 Primus Telecommunications 9929 356 164 41 China Netcom Corp. 2907 355 1856 328 SINET Japan 703 320 343 252 UUNET 17557 307 22 150 Pakistan Telecom 10036 294 27 270 C&M Communication Co. Ltd. 2764 283 256 226 connect.com.au pty ltd 7474 272 267 202 Optus Communications Pty Ltd 9800 238 383 76 CHINA UNICOM 7545 232 86 66 TPG Internet Pty Ltd 9498 232 81 53 BHARTI BT INTERNET LTD. 4802 231 28 140 Wantree Development 4814 226 232 6 China Telecom (Group) 7563 226 48 158 Korea Internet Infrastructure ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1415 6587 962 AT&T WorldNet Services 721 1099 21730 306 DLA Systems Automation Center 701 1050 8327 904 UUNET Technologies, Inc. 1239 932 2881 623 Sprint 2386 847 523 601 AT&T Data Communications Serv 4323 828 670 225 Time Warner Telecom 6197 824 381 369 BellSouth Network Solutions, 18566 760 208 6 Covad Communications 209 655 3439 501 Qwest 3356 610 10887 447 Level 3 Communications, LLC 20115 568 470 302 Charter Communications 3561 549 2369 416 Cable & Wireless USA 852 527 1126 401 Telus Advanced Communications 7843 483 730 100 Adelphia Corp. 6478 470 814 98 AT&T Worldnet Services 6198 450 388 200 BellSouth Network Solutions, 7132 449 8251 381 SBC Internet Services 27364 442 44 20 Armstrong Cable Services 5668 427 87 18 Century Telephone 22909 419 907 65 Comcast Cable Corporation RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 623 2023 514 UUNET - Commercial IP service 3320 292 2992 230 Deutsche Telekom AG 3301 288 1112 276 TeliaNet Sweden 8220 279 466 267 COLT Internet - International 21502 272 40 3 NUMERICABLE is a cabled netwo 680 254 2041 240 DFN-IP service G-WiN 3246 224 483 220 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 8708 207 119 190 Romania Data Systems S.A. 1257 205 708 171 SWIPnet Swedish IP Network 5515 193 842 140 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 3215 176 998 76 France Telecom Transpac 6746 169 47 136 Dynamic Network Technologies, 8866 163 18 21 Bulgarian Telecommunication C 719 159 322 104 LANLINK autonomous system 3269 158 1360 69 TELECOM ITALIA 3300 152 165 77 AUCS Communications Services 25186 145 138 101 France Telecom Transpac's Tra 5400 136 216 118 BT Ignite European Backbone LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 355 140 69 ImpSat 8151 329 473 141 UniNet S.A. de C.V. 16814 234 14 6 NSS, S.A. 11172 214 99 54 Servicios Alestra S.A de C.V 11664 188 19 28 Keytech SA 6147 187 100 22 Telefonica Del Peru 7303 147 68 20 Telecom Argentina Stet-France 6505 140 90 96 Global One Communicaoes Ltda 6503 124 147 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 14420 87 6 42 ANDINATEL S.A. 11311 86 8 22 Sinectis S.A. 13999 85 52 9 Mega Cable S.A. de C.V. 6535 84 7 25 Chilesat Servicios Empresari 10481 82 32 7 Prima S.A. 4270 81 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 114 16 4 Internet Egypt Network 2018 102 297 98 Tertiary Education Network 2905 77 272 70 The Internetworking Company o 20928 76 16 2 Noor Advanced Technologies AS 24835 48 34 7 RAYA Telecom - Egypt 8452 47 20 5 TEDATA 6713 34 38 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 25 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 17 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 1099 793 DLA Systems Automation Center 18566 760 754 Covad Communications 4134 876 709 Data Communications Bureau 4323 828 603 Time Warner Telecom 9583 581 552 Satyam Infoway Ltd., 6197 824 455 BellSouth Network Solutions, 27364 442 422 Armstrong Cable Services 5668 427 409 Century Telephone 22773 417 394 Cox Communications, Inc. Atla 7843 483 383 Adelphia Corp. 6478 470 372 AT&T Worldnet Services 22909 419 354 Comcast Cable Corporation 4755 433 353 Videsh Sanchar Nigam Ltd. Aut 6467 372 341 E.Spire Communications, Inc. 17676 390 330 XTAGE CORPORATION 9929 356 315 China Netcom Corp. 1239 932 309 Sprint 13609 338 303 Choice One Communications Inc 4766 561 286 Korea Internet Exchange for " 6140 355 286 ImpSat List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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. 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 /12:59 /13:139 /14:313 /15:566 /16:8240 /17:2355 /18:4053 /19:10054 /20:10639 /21:8207 /22:11372 /23:12909 /24:83467 /25:252 /26:234 /27:127 /28:63 /29:37 /30:138 /31:0 /32:51 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 745 760 Covad Communications 6197 670 824 BellSouth Network Solutions, 2386 623 847 AT&T Data Communications Serv 7018 580 1415 AT&T WorldNet Services 27364 427 442 Armstrong Cable Services 9583 405 581 Satyam Infoway Ltd., 702 380 623 UUNET - Commercial IP service 4766 379 561 Korea Internet Exchange for " 5668 370 427 Century Telephone 1239 369 932 Sprint 6198 327 450 BellSouth Network Solutions, 13609 295 338 Choice One Communications Inc 10036 294 294 C&M Communication Co. Ltd. 6517 289 313 Yipes Communications, Inc. 9929 285 356 China Netcom Corp. 6467 283 372 E.Spire Communications, Inc. 4323 273 828 Time Warner Telecom 21502 269 272 NUMERICABLE is a cabled netwo 11456 259 304 Carolina Online, Inc. 701 254 1050 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:4 8:10 12:1460 13:1 15:5 16:2 17:3 18:4 20:4 24:720 32:77 33:3 38:87 40:55 44:3 47:2 52:3 55:2 56:3 57:21 59:1 60:12 61:676 62:523 63:1854 64:2521 65:2082 66:2491 67:480 68:521 69:857 70:52 71:1 72:24 80:529 81:626 82:381 83:213 84:80 85:41 128:120 129:166 130:91 131:193 132:35 134:144 135:30 136:188 137:68 138:159 139:36 140:190 141:108 142:133 143:124 144:164 145:41 146:282 147:87 148:263 149:128 150:93 151:62 152:115 153:70 154:2 155:134 156:61 157:69 158:148 159:162 160:63 161:60 162:383 163:85 164:214 165:160 166:126 167:224 168:366 169:131 170:313 171:8 192:5652 193:3036 194:2232 195:1543 196:602 198:3865 199:3245 200:3950 201:43 202:5064 203:5886 204:3564 205:2108 206:2299 207:2530 208:2090 209:3052 210:1539 211:732 212:1153 213:1259 214:233 215:31 216:3732 217:1080 218:173 219:87 220:319 221:97 222:38 End of report

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The Cidr Report
by cidr-report＠potaroo.net 07 Jan '05

07 Jan '05

This report has been generated at Fri Jan 7 21:44:26 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 31-12-04 149554 102939 01-01-05 149661 102902 02-01-05 149622 102855 03-01-05 149526 102845 04-01-05 149642 102788 05-01-05 149521 102973 06-01-05 149566 103086 07-01-05 149489 103034 AS Summary 18628 Number of ASes in routing system 7618 Number of ASes announcing only one prefix 1404 Largest number of prefixes announced by an AS AS7018 : ATTW AT&T WorldNet Services 90130176 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'). --- 07Jan05 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 149494 102991 46503 31.1% All ASes AS18566 760 7 753 99.1% CVAD Covad Communications AS4134 828 196 632 76.3% CHINANET-BACKBONE No.31,Jin-rong Street AS4323 826 233 593 71.8% TWTC Time Warner Telecom AS721 1099 669 430 39.1% DNIC DoD Network Information Center AS27364 442 46 396 89.6% ARMC Armstrong Cable Services AS22773 418 24 394 94.3% CXA Cox Communications Inc. AS6197 819 445 374 45.7% BNS-14 BellSouth Network Solutions, Inc AS7843 481 107 374 77.8% ADELPH-13 Adelphia Corp. AS7018 1404 1052 352 25.1% ATTW AT&T WorldNet Services AS6478 469 148 321 68.4% ATTW AT&T WorldNet Services AS17676 388 69 319 82.2% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS1239 931 623 308 33.1% SPRN Sprint AS9929 346 41 305 88.2% CNCNET-CN China Netcom Corp. AS22909 419 117 302 72.1% CMCS Comcast Cable Communications, Inc. AS4766 544 274 270 49.6% KIXS-AS-KR Korea Telecom AS21502 272 3 269 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 376 133 243 64.6% IMPSA ImpSat AS4355 302 66 236 78.1% ERSD EARTHLINK, INC AS2386 843 611 232 27.5% ADCS-1 AT&T Data Communications Services AS9583 582 352 230 39.5% SIFY-AS-IN Sify Limited AS25844 244 17 227 93.0% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS6198 446 224 222 49.8% BNS-14 BellSouth Network Solutions, Inc AS4814 226 6 220 97.3% CHINA169-BBN CNCGROUP IP network¡ªChina169 Beijing Broadband Network AS3602 316 111 205 64.9% SPCA Sprint Canada Inc. AS15270 240 35 205 85.4% PDP-14 PaeTec.net -a division of PaeTecCommunications, Inc. AS22291 290 86 204 70.3% CC04 Charter Communications AS5668 427 235 192 45.0% CIH-12 CenturyTel Internet Holdings, Inc. AS6517 309 124 185 59.9% YIPS Yipes Communications, Inc. Total 15676 6182 9494 60.6% 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 198.206.48.0/21 AS701 UU UUNET Technologies, Inc. 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 199.197.8.0/22 AS21814 PARSON-18 Parsons Corp. 199.202.0.0/16 AS701 UU UUNET Technologies, Inc. 202.72.240.0/20 AS24320 202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 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 Sky Internet - BAYANTEL Inc. - Philppines 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 209.17.80.0/24 AS32272 CLEAR-17 ClearSkye Communications Inc 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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