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The Cidr Report
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cidr-report at potaroo.net
cidr-report at potaroo.net
Fri Mar 25 12:00:01 CET 2005
This report has been generated at Fri Mar 25 21:44:39 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 18-03-05 154393 106136 19-03-05 154543 106383 20-03-05 154926 106358 21-03-05 154810 106466 22-03-05 154934 106356 23-03-05 154780 106461 24-03-05 155023 106449 25-03-05 155029 106495 AS Summary 19153 Number of ASes in routing system 7806 Number of ASes announcing only one prefix 1464 Largest number of prefixes announced by an AS AS7018 : ATT-INTERNET4 - AT&T WorldNet Services 90498048 Largest address span announced by an AS (/32s) AS721 : DLA-ASNBLOCK-AS - 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'). --- 25Mar05 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 155106 106532 48574 31.3% All ASes AS4323 1080 227 853 79.0% TWTC - Time Warner Telecom AS18566 780 7 773 99.1% COVAD - Covad Communications AS4134 879 210 669 76.1% CHINANET-BACKBONE No.31,Jin-rong Street AS721 1120 566 554 49.5% DLA-ASNBLOCK-AS - DoD Network Information Center AS22773 475 23 452 95.2% CCINET-2 - Cox Communications Inc. AS27364 465 22 443 95.3% ACS-INTERNET - Armstrong Cable Services AS6197 876 466 410 46.8% BATI-ATL - BellSouth Network Solutions, Inc AS7018 1464 1054 410 28.0% ATT-INTERNET4 - AT&T WorldNet Services AS3602 506 144 362 71.5% SPRINT-CA-AS - Sprint Canada Inc. AS6478 498 145 353 70.9% ATT-INTERNET3 - AT&T WorldNet Services AS17676 424 78 346 81.6% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS9929 347 45 302 87.0% CNCNET-CN China Netcom Corp. AS4766 570 277 293 51.4% KIXS-AS-KR Korea Telecom AS7545 483 227 256 53.0% TPG-INTERNET-AP TPG Internet Pty Ltd AS14654 262 6 256 97.7% WAYPORT - Wayport AS9443 378 126 252 66.7% INTERNETPRIMUS-AS-AP Primus Telecommunications AS1239 911 660 251 27.6% SPRINTLINK - Sprint AS6140 384 135 249 64.8% IMPSAT-USA - ImpSat AS9583 631 391 240 38.0% SIFY-AS-IN Sify Limited AS4355 289 60 229 79.2% ERMS-EARTHLNK - EARTHLINK, INC AS6198 458 231 227 49.6% BATI-MIA - BellSouth Network Solutions, Inc AS15270 261 37 224 85.8% AS-PAETEC-NET - PaeTec.net -a division of PaeTecCommunications, Inc. AS5668 466 258 208 44.6% AS-5668 - CenturyTel Internet Holdings, Inc. AS2386 834 627 207 24.8% INS-AS - AT&T Data Communications Services AS11456 310 106 204 65.8% NUVOX - NuVox Communications, Inc. AS9498 263 69 194 73.8% BBIL-AP BHARTI BT INTERNET LTD. AS6167 268 79 189 70.5% CELLCO-PART - Cellco Partnership AS6517 309 122 187 60.5% YIPESCOM - Yipes Communications, Inc. AS6147 205 20 185 90.2% Telefonica del Peru S.A.A. AS16852 239 65 174 72.8% FOCAL-CHICAGO - Focal Data Communications of Illinois Total 16435 6483 9952 60.6% Top 30 total Possible Bogus Routes 24.138.80.0/20 AS11260 ANDARA-HSI - Andara High Speed Internet c/o Halifax Cable Ltd. 24.246.0.0/17 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 24.246.128.0/18 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 64.17.32.0/24 AS5024 BRIDGE - BridgeNet, LC 64.17.33.0/24 AS5024 BRIDGE - BridgeNet, LC 64.17.37.0/24 AS5024 BRIDGE - BridgeNet, LC 64.57.160.0/19 AS3561 SAVVIS - Savvis 64.92.128.0/19 AS3561 SAVVIS - Savvis 64.127.0.0/18 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 64.209.192.0/18 AS3561 SAVVIS - Savvis 66.37.96.0/20 AS3764 IA-HOU-AS - Internet America, Inc. 66.164.232.0/24 AS6197 BATI-ATL - BellSouth Network Solutions, Inc 67.47.0.0/17 AS4765 WORLDNET-AS World Net & Services Co., Ltd. 67.47.0.0/18 AS4765 WORLDNET-AS World Net & Services Co., Ltd. 67.47.64.0/18 AS4765 WORLDNET-AS World Net & Services Co., Ltd. 172.32.0.0/24 AS7011 CITLINK - Citizens Utilities 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.43.230.0/24 AS7575 AARNET-AS-AP Australian Academic and Reasearch Network (AARNet) 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 AS25689 NRCNET-AS - 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 PSCNI-AS - 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 ATT-INTERNET4 - AT&T WorldNet Services 192.136.53.0/24 AS8346 SONATEL-AS Autonomous System 192.153.144.0/21 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 192.172.0.0/19 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 192.188.208.0/20 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 192.200.100.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 196.2.95.0/24 AS8668 TELONE-AS TelOne Zimbabwe P/L 196.192.0.0/20 AS23889 MAURITIUS-TELECOM-AS-AP MAURITIUS TELECOM 196.192.12.0/22 AS23889 MAURITIUS-TELECOM-AS-AP MAURITIUS TELECOM 196.192.32.0/24 AS5511 OPENTRANSIT France Telecom 196.192.33.0/24 AS5511 OPENTRANSIT France Telecom 196.192.34.0/24 AS5511 OPENTRANSIT France Telecom 196.192.35.0/24 AS5511 OPENTRANSIT France Telecom 196.192.36.0/24 AS5511 OPENTRANSIT France Telecom 196.192.37.0/24 AS5511 OPENTRANSIT France Telecom 196.192.39.0/24 AS5511 OPENTRANSIT France Telecom 196.192.45.0/24 AS5511 OPENTRANSIT France Telecom 196.192.46.0/24 AS5511 OPENTRANSIT France Telecom 196.192.47.0/24 AS5511 OPENTRANSIT France Telecom 196.192.64.0/21 AS23889 MAURITIUS-TELECOM-AS-AP MAURITIUS TELECOM 196.192.96.0/20 AS23889 MAURITIUS-TELECOM-AS-AP MAURITIUS TELECOM 198.23.26.0/24 AS4390 BELLATLANTIC-COM - Bell Atlantic, Inc. 198.97.72.0/21 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 198.97.80.0/20 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 198.97.88.0/24 AS89 NUSC-CSTLNET-AS - Naval Underwater Systems Center 198.97.240.0/20 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 198.97.247.0/24 AS3475 LANT-AFLOAT - Department of the Navy 198.101.4.0/22 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 198.136.32.0/20 AS19329 MCNET - Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY-NET - CityNet, Inc. 198.160.171.0/24 AS7046 UUNET-CUSTOMER - UUNET Technologies, Inc. 198.161.87.0/24 AS6539 GROUPTLCOM - GT Group Telecom Services Corp. 198.163.155.0/24 AS684 MBNET-AS - Manitoba Regional Network 198.167.0.0/16 AS7456 INTERHOP - Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ALLST-15290 - Allstream Corp. Corporation Allstream 198.168.0.0/16 AS701 ALTERNET-AS - UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASKTEL - SaskTel 198.232.133.0/24 AS23075 SKOTOS-AS - Skotos Tech, Inc 199.10.0.0/16 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.60.0.0/20 AS271 BCNET-AS - University of British Columbia 199.96.44.0/23 AS19092 360NETWORKS-US - 360Networks (USA) Inc. 199.96.46.0/24 AS19092 360NETWORKS-US - 360Networks (USA) Inc. 199.114.0.0/21 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.114.128.0/18 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.114.130.0/24 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.114.132.0/24 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.114.134.0/24 AS3541 ITSDN-U4 - DISA/UNRRA 199.114.136.0/24 AS27044 DDN-ASNBLK1 - DoD Network Information Center 199.114.138.0/24 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.114.140.0/24 AS3544 ITSDN-U7 - DISA/UNRRA 199.114.142.0/24 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.114.144.0/24 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.114.148.0/24 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.114.150.0/24 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.114.152.0/24 AS27033 DDN-ASNBLK1 - DoD Network Information Center 199.114.154.0/24 AS1733 CENTAF-SWA - AF DDN PMO 199.114.156.0/24 AS27034 DDN-ASNBLK1 - DoD Network Information Center 199.114.160.0/24 AS1733 CENTAF-SWA - AF DDN PMO 199.120.32.0/19 AS16582 NEXTLEVELINTERNET - NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.123.0.0/18 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.123.16.0/20 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.123.80.0/21 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 199.189.32.0/19 AS7332 IQUEST-AS - IQuest Internet 199.202.0.0/16 AS701 ALTERNET-AS - UUNET Technologies, Inc. 202.72.240.0/20 AS24320 RAILCOM Mongolian Railway Commercial Center Railcom 202.86.252.0/22 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.123.0.0/19 AS23889 MAURITIUS-TELECOM-AS-AP MAURITIUS TELECOM 202.123.2.0/24 AS23889 MAURITIUS-TELECOM-AS-AP MAURITIUS TELECOM 202.123.8.0/22 AS23889 MAURITIUS-TELECOM-AS-AP MAURITIUS TELECOM 202.123.16.0/20 AS23889 MAURITIUS-TELECOM-AS-AP MAURITIUS TELECOM 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 203.210.69.0/24 AS17536 PRODIGY-AS-AP Prodidgy Telecommunications 204.48.119.0/24 AS29912 CITIZENS-PROPERTY-INSURANCE-CORPORATION - Citizens Property Insurance Corporation 204.154.125.0/24 AS3952 TELLABS-ASN - TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLABS-ASN - TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLABS-ASN - TELLABS Operations, Inc. 204.194.110.0/23 AS30653 EXOBIT - Exobit Networks Inc. 205.150.0.0/15 AS701 ALTERNET-AS - UUNET Technologies, Inc. 206.108.96.0/19 AS577 BACOM - Bell Advanced Communications Inc. 206.128.104.0/21 AS11709 VIC - VIRTUAL INTERACTIVE CENTER 206.167.57.0/24 AS376 RISQ-AS - Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ALLST-15290 - Allstream Corp. Corporation Allstream 206.191.96.0/19 AS15290 ALLST-15290 - Allstream Corp. Corporation Allstream 207.231.96.0/19 AS11194 NUNETPA - NuNet Inc 208.138.48.0/20 AS6971 ATG-1 - Advanced Telcom Group, Inc 209.27.51.0/24 AS14132 INTERNETGATEWAY - 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 INTERPAC - Inter-Pacific Network Services 209.213.48.0/24 AS10629 INTERPAC - Inter-Pacific Network Services 209.213.49.0/24 AS10629 INTERPAC - Inter-Pacific Network Services 209.222.137.0/24 AS27429 TIL - Telesat International Ltd. 209.251.0.0/19 AS11036 SISCOM - SISCOM, Inc 216.37.110.0/23 AS4264 CERNET-ASN-BLOCK - California Education and Research Federation Network 216.96.128.0/18 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 216.145.200.0/21 AS20304 JVLNET - JVLNET Internet Services 216.171.96.0/20 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 swinog at swinog.ch
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