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The Cidr Report
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cidr-report at potaroo.net
cidr-report at potaroo.net
Fri Apr 9 14:00:01 CEST 2004
This report has been generated at Fri Apr 9 21:46:01 2004 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 02-04-04 132847 93125 03-04-04 132844 93342 04-04-04 132720 93021 05-04-04 132801 93191 06-04-04 133196 93104 07-04-04 133041 93159 08-04-04 133087 93240 09-04-04 133208 93241 AS Summary 16912 Number of ASes in routing system 6802 Number of ASes announcing only one prefix 1414 Largest number of prefixes announced by an AS AS7018 : ATTW AT&T WorldNet Services 73488384 Largest address span announced by an AS (/32s) AS568 : DISOUN DISO-UNRRA 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'). --- 09Apr04 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 133095 93191 39904 30.0% All ASes AS4134 673 138 535 79.5% CHINANET-BACKBONE No.31,Jin-rong Street AS4323 714 200 514 72.0% TWTC Time Warner Telecom AS7018 1414 986 428 30.3% ATTW AT&T WorldNet Services AS7843 532 107 425 79.9% ADELPH-13 Adelphia Corp. AS6197 687 301 386 56.2% BNS-14 BellSouth Network Solutions, Inc AS27364 404 33 371 91.8% ARMC Armstrong Cable Services AS701 1295 932 363 28.0% UU UUNET Technologies, Inc. AS22909 383 33 350 91.4% CMCS Comcast Cable Communications, Inc. AS6198 555 222 333 60.0% BNS-14 BellSouth Network Solutions, Inc AS9583 441 115 326 73.9% SATYAMNET-AS Satyam Infoway Ltd., AS22773 357 38 319 89.4% CXAB Cox Communications Inc. Atlanta AS1239 948 644 304 32.1% SPRN Sprint AS9929 326 31 295 90.5% CNCNET-CN China Netcom Corp. AS4355 384 99 285 74.2% ERSD EARTHLINK, INC AS6140 378 111 267 70.6% IMPSA ImpSat AS17676 306 46 260 85.0% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS6478 290 43 247 85.2% ATTW AT&T WorldNet Services AS209 749 514 235 31.4% QWEST-4 Qwest AS1221 866 631 235 27.1% ASN-TELSTRA Telstra Pty Ltd AS25844 243 17 226 93.0% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS14654 222 4 218 98.2% WAYPOR-3 Wayport AS11305 243 31 212 87.2% INTERL-80 Interland Incorporated AS6347 371 165 206 55.5% SAVV SAVVIS Communications Corporation AS3356 892 689 203 22.8% LEVEL3 Level 3 Communications AS4766 454 253 201 44.3% KIX Korea Internet Exchange for "96 World Internet Exposition AS20115 585 395 190 32.5% CC04 Charter Communications AS9443 359 170 189 52.6% INTERNETPRIMUS-AS-AP Primus Telecommunications AS2386 432 244 188 43.5% ADCS-1 AT&T Data Communications Services AS4519 204 21 183 89.7% MAASCO Maas Communications AS6327 206 28 178 86.4% SHAWC-2 Shaw Communications Inc. Total 15913 7241 8672 54.5% 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 24.246.128.0/18 AS7018 ATTW AT&T WorldNet Services 60.254.0.0/20 AS23889 MAURITIUS-TELECOM-AS-AP MAURITIUS TELECOM 64.22.0.0/18 AS3561 CWU Cable & Wireless USA 64.46.0.0/18 AS7850 IHIGHW iHighway.net, Inc. 64.46.4.0/22 AS11711 TULARO TULAROSA COMMUNICATIONS 64.46.12.0/24 AS7850 IHIGHW iHighway.net, Inc. 64.46.27.0/24 AS8674 NETNOD-IX Netnod Internet Exchange Sverige AB 64.46.34.0/24 AS29393 CLUEFULCOLO-AS AS for Cluefulcolo.net 64.46.60.0/24 AS7850 IHIGHW iHighway.net, Inc. 64.46.63.0/24 AS7850 IHIGHW iHighway.net, Inc. 66.51.128.0/20 AS23401 NAC Net Access Corporation 66.51.140.0/24 AS23401 NAC Net Access Corporation 66.114.0.0/19 AS16526 BIRCHT Birch Telecom, Inc. 69.26.32.0/19 AS17307 VIRTEL-15 Virtela Communications 132.0.0.0/10 AS568 DISOUN DISO-UNRRA 137.0.0.0/13 AS568 DISOUN DISO-UNRRA 138.136.0.0/13 AS568 DISOUN DISO-UNRRA 158.0.0.0/13 AS568 DISOUN DISO-UNRRA 160.213.112.0/20 AS25440 INFONET-NESTLE Nestle European Data Center 160.213.240.0/20 AS25440 INFONET-NESTLE Nestle European Data Center 164.234.0.0/16 AS721 DNIC DoD Network Information Center 164.234.0.0/18 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 LANLINK Elisa Oyj 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network 192.44.0.0/19 AS702 AS702 MCI EMEA 192.81.182.0/24 AS719 LANLINK Elisa Oyj 192.81.183.0/24 AS719 LANLINK Elisa Oyj 192.81.184.0/24 AS719 LANLINK 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 Autonomous System 192.135.50.0/24 AS7018 ATTW AT&T WorldNet Services 192.136.71.0/24 AS719 LANLINK Elisa Oyj 192.136.79.0/24 AS719 LANLINK Elisa Oyj 192.153.144.0/21 AS568 DISOUN DISO-UNRRA 192.172.0.0/19 AS568 DISOUN DISO-UNRRA 192.188.208.0/20 AS568 DISOUN DISO-UNRRA 192.243.32.0/23 AS2044 PALINA Palin Aquisitions Inc. 198.23.26.0/24 AS4390 BELLAT-7 Bell Atlantic, Inc. 198.97.72.0/21 AS568 DISOUN DISO-UNRRA 198.97.80.0/20 AS568 DISOUN DISO-UNRRA 198.97.88.0/24 AS89 NUSC-1 Naval Underwater Systems Center 198.97.192.0/20 AS568 DISOUN DISO-UNRRA 198.97.240.0/20 AS568 DISOUN DISO-UNRRA 198.101.4.0/22 AS568 DISOUN DISO-UNRRA 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. 198.161.165.0/24 AS852 AGTA Telus Advanced Communications 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 AS568 DISOUN DISO-UNRRA 199.60.0.0/20 AS271 UBC-3 University of British Columbia 199.84.0.0/16 AS701 UU UUNET Technologies, Inc. 199.114.0.0/18 AS568 DISOUN DISO-UNRRA 199.114.0.0/21 AS568 DISOUN DISO-UNRRA 199.114.128.0/18 AS568 DISOUN DISO-UNRRA 199.114.130.0/24 AS721 DNIC DoD Network Information Center 199.114.132.0/24 AS721 DNIC DoD Network Information Center 199.114.136.0/24 AS1913 DLA-8 Defense Logistics Agency 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 AS1913 DLA-8 Defense Logistics Agency 199.114.154.0/24 AS1733 ADP-41 AF DDN PMO 199.114.156.0/24 AS1913 DLA-8 Defense Logistics Agency 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 AS568 DISOUN DISO-UNRRA 199.123.0.0/18 AS568 DISOUN DISO-UNRRA 199.123.16.0/20 AS568 DISOUN DISO-UNRRA 199.123.80.0/21 AS568 DISOUN DISO-UNRRA 199.189.32.0/19 AS7332 IQUEST IQuest Internet 199.202.0.0/16 AS701 UU UUNET Technologies, Inc. 202.2.64.0/20 AS9729 IS-AP iAdvantage Limited 202.47.1.0/24 AS7491 PI-PH-AS-AP PI-PHILIPINES 202.70.0.0/20 AS4658 NETFRONT-AS NETFRONT I.T. LIMITED (HONG KONG) 202.70.24.0/24 AS17888 SINGTEL-HK SingTel Hong Kong Limited 202.70.28.0/24 AS4515 ERX-STAR Star Internet Services Ltd. 202.70.240.0/20 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.86.142.0/24 AS30362 HAWAI-1 Hawaii-Pacific Teleport 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.122.76.0/24 AS17553 TIMELESS-AP System Integration provider 202.123.96.0/20 AS9288 COMCEN-AS-AP Com-Cen Pty Ltd 202.133.3.0/24 AS9335 CIP-JAPAN-AS-AP ATT IPlus 202.155.243.0/24 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.132.107.0/24 AS10236 FOXGOLD-NET-AU-AP FOXGOLD COMMUNICATIONS 203.132.108.0/24 AS10236 FOXGOLD-NET-AU-AP FOXGOLD COMMUNICATIONS 204.69.144.0/22 AS5668 CIH-12 CenturyTel Internet Holdings, 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. 205.159.72.0/24 AS1660 ANSCOM-5 ANS Communications 205.201.128.0/18 AS17263 ZIAN ZiaNet, Inc. 206.41.32.0/19 AS14824 NCC-105 NewSouth Communications Corp. 206.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 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 206.253.190.0/23 AS8123 POLYBA Polybase 207.231.96.0/19 AS11194 NUNETI NuNet Inc 208.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 209.55.64.0/18 AS5726 IWCI InterWorld Communications, Inc. 209.169.219.0/24 AS189 GNTY Genuity 209.169.223.0/24 AS189 GNTY Genuity 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. 209.213.48.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.49.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.50.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.51.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.55.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.56.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.222.137.0/24 AS27429 TIL-33 Telesat International Ltd. 209.251.0.0/19 AS11036 SISCOM-1 SISCOM, Inc 209.251.64.0/19 AS10266 MDCN MDC, Inc. 210.213.0.0/19 AS6453 GIEUROPE Teleglobe America Inc. 216.18.224.0/21 AS11458 IMBRIS-1 IMBRIS, INC. 216.18.224.0/22 AS11458 IMBRIS-1 IMBRIS, INC. 216.18.228.0/22 AS11458 IMBRIS-1 IMBRIS, INC. 216.96.128.0/18 AS7018 ATTW AT&T WorldNet Services 216.145.130.0/24 AS11937 TRXI TRX Inc. 216.145.132.0/24 AS11937 TRXI TRX Inc. 216.145.133.0/24 AS11937 TRXI TRX Inc. 216.145.134.0/24 AS11937 TRXI TRX Inc. 216.145.135.0/24 AS11937 TRXI TRX Inc. 216.145.152.0/24 AS10758 INWAVE INWave Internet, Inc 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 216.145.184.0/21 AS10758 INWAVE INWave Internet, Inc 216.145.200.0/21 AS20304 JIS-32 JVLNET Internet Services 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 216.186.192.0/19 AS3561 CWU Cable & Wireless USA 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 at merit.edu eof-list at ripe.net apops at apops.net routing-wg at ripe.net afnog at afnog.org
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