February 2005 - routing-wg - mailman.ripe.net

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

11 Feb '05

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

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

07 Feb '05

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

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

04 Feb '05

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

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

04 Feb '05

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

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