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The Cidr Report
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cidr-report at potaroo.net
cidr-report at potaroo.net
Fri Jun 24 14:00:00 CEST 2005
This report has been generated at Fri Jun 24 21:50:19 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 17-06-05 161372 109621 18-06-05 161506 109697 19-06-05 161690 109630 20-06-05 161664 109789 21-06-05 161886 109859 22-06-05 161631 109842 23-06-05 161547 109959 24-06-05 161602 110059 AS Summary 19834 Number of ASes in routing system 8146 Number of ASes announcing only one prefix 1474 Largest number of prefixes announced by an AS AS7018 : ATT-INTERNET4 - AT&T WorldNet Services 90545408 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'). --- 24Jun05 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 161697 110056 51641 31.9% All ASes AS4323 1116 220 896 80.3% TWTC - Time Warner Telecom AS18566 824 8 816 99.0% COVAD - Covad Communications AS4134 906 226 680 75.1% CHINANET-BACKBONE No.31,Jin-rong Street AS27364 565 22 543 96.1% ACS-INTERNET - Armstrong Cable Services AS721 1109 568 541 48.8% DLA-ASNBLOCK-AS - DoD Network Information Center AS7018 1474 958 516 35.0% ATT-INTERNET4 - AT&T WorldNet Services AS7725 491 15 476 96.9% CCH-AS7 - Comcast Cable Communications Holdings, Inc AS22773 494 25 469 94.9% CCINET-2 - Cox Communications Inc. AS6197 920 500 420 45.7% BATI-ATL - BellSouth Network Solutions, Inc AS3602 543 147 396 72.9% SPRINT-CA-AS - Sprint Canada Inc. AS6467 425 34 391 92.0% ESPIRECOMM - e.spire Communications, Inc. AS17676 436 80 356 81.7% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS4766 577 281 296 51.3% KIXS-AS-KR Korea Telecom AS9929 344 48 296 86.0% CNCNET-CN China Netcom Corp. AS14654 277 7 270 97.5% WAYPORT - Wayport AS6140 403 136 267 66.3% IMPSAT-USA - ImpSat AS15270 306 58 248 81.0% AS-PAETEC-NET - PaeTec.net -a division of PaeTecCommunications, Inc. AS5668 488 241 247 50.6% AS-5668 - CenturyTel Internet Holdings, Inc. AS1239 887 644 243 27.4% SPRINTLINK - Sprint AS23126 260 22 238 91.5% KMCTELCOM-DIA - KMC Telecom, Inc. AS2386 884 653 231 26.1% INS-AS - AT&T Data Communications Services AS6167 308 80 228 74.0% CELLCO-PART - Cellco Partnership AS4755 517 290 227 43.9% VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System AS6198 461 238 223 48.4% BATI-MIA - BellSouth Network Solutions, Inc AS812 242 20 222 91.7% ROGERS-CABLE - Rogers Cable Inc. AS22909 358 144 214 59.8% DNEO-OSP1 - Comcast Cable Communications, Inc. AS11456 312 99 213 68.3% NUVOX - NuVox Communications, Inc. AS9498 326 114 212 65.0% BBIL-AP BHARTI BT INTERNET LTD. AS6478 376 165 211 56.1% ATT-INTERNET3 - AT&T WorldNet Services AS7545 500 291 209 41.8% TPG-INTERNET-AP TPG Internet Pty Ltd Total 17129 6334 10795 63.0% Top 30 total Possible Bogus Routes 24.246.0.0/17 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 24.246.128.0/18 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 64.9.224.0/19 AS209 ASN-QWEST - Qwest 64.17.32.0/24 AS13488 CBWU-13488 - Continental Broadband Florida, Inc DBA WebUnited 64.17.33.0/24 AS13488 CBWU-13488 - Continental Broadband Florida, Inc DBA WebUnited 64.17.37.0/24 AS13488 CBWU-13488 - Continental Broadband Florida, Inc DBA WebUnited 64.127.0.0/18 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 66.37.96.0/20 AS3764 IA-HOU-AS - Internet America, Inc. 66.187.96.0/22 AS9227 ONEHUNDRED-AS-AP ONE HUNDRED SERVICES, INC. 66.187.96.0/24 AS9227 ONEHUNDRED-AS-AP ONE HUNDRED SERVICES, INC. 66.187.97.0/24 AS9227 ONEHUNDRED-AS-AP ONE HUNDRED SERVICES, INC. 66.187.98.0/24 AS9227 ONEHUNDRED-AS-AP ONE HUNDRED SERVICES, INC. 66.187.99.0/24 AS9227 ONEHUNDRED-AS-AP ONE HUNDRED SERVICES, INC. 66.187.100.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.101.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.102.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.103.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.104.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.105.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.108.0/24 AS10026 ANC Asia Netcom Corporation 66.205.193.0/24 AS174 COGENT Cogent/PSI 66.205.194.0/24 AS174 COGENT Cogent/PSI 66.205.206.0/24 AS21510 TRISTAR - Tristar Communications 70.64.0.0/13 AS6327 SHAW - Shaw Communications Inc. 72.24.0.0/16 AS11492 CABLEONE - CABLE ONE 72.29.80.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.81.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.82.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.83.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.84.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.85.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.86.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.87.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.88.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.89.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.90.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.91.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.92.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.93.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.94.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 72.29.95.0/24 AS22659 LIQUIDIX - LIQUID COMMUNICATIONS, INC. 80.92.48.0/20 AS20889 STELLAR-AS Stellar-PCS GmbH Germany 132.0.0.0/10 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 137.0.0.0/13 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 138.136.0.0/13 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 158.0.0.0/13 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.40.105.0/24 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 192.88.99.0/24 AS29259 DE-IABG-TELEPORT IABG Teleport, DE 192.107.104.0/24 AS6458 GUATEL 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 193.30.28.0/22 AS12374 LFNET-AS01 LF.net Netzwerksysteme GmbH 193.32.19.0/24 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 193.32.20.0/23 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 193.36.1.0/24 AS8220 COLT COLT Telecommunications - www.colt.net 193.37.69.0/24 AS2856 BT-UK-AS BTnet UK Regional network 193.37.236.0/24 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 193.110.77.0/24 AS3356 LEVEL3 Level 3 Communications 193.110.78.0/24 AS3356 LEVEL3 Level 3 Communications 193.110.79.0/24 AS3356 LEVEL3 Level 3 Communications 193.110.97.0/24 AS3356 LEVEL3 Level 3 Communications 194.31.227.0/24 AS21461 TRANSFAIRNET Transfair-net GmbH Krefeld 194.32.174.0/23 AS8426 CLARANET-AS ClaraNET 194.59.176.0/20 AS1273 CW Cable & Wireless 194.59.178.0/24 AS8481 TRANSNET transnet INTERNET Services 194.153.156.0/24 AS24865 KMITCHELL-AS Keith Mitchell's Network 194.246.72.0/23 AS8893 ARTFILES-AS Artfiles New Media GmbH 196.2.95.0/24 AS8668 TELONE-AS TelOne Zimbabwe P/L 196.3.162.0/24 AS6083 AFRINIC African Network Information Center 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 MTSAL-ASN - MTS Allstream Inc. 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 198.203.254.0/23 AS7046 UUNET-CUSTOMER - UUNET Technologies, Inc. 198.232.133.0/24 AS23075 SKOTOS-AS - Skotos Tech, Inc 199.9.128.0/17 AS668 ASN-ASNET-NET-AS - Defense Research and Engineering Network 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 199.114.153.0/24 AS27034 DDN-ASNBLK1 - DoD Network Information Center 199.114.154.0/24 AS1733 CENTAF-SWA - AF DDN PMO 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. 200.49.0.0/20 AS14551 ALTERNET-SA-AS - UUNET Technologies, Inc. 200.49.8.0/21 AS6140 IMPSAT-USA - ImpSat 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) 203.78.48.0/20 AS9299 IPG-AS-AP Philippine Long Distance Telephone Company 203.99.0.0/19 AS17746 ORCONINTERNET-NZ-AP Orcon Internet 203.99.142.0/24 AS9826 ILINK-HK-AP iLink.net Ltd 203.210.69.0/24 AS17536 PRODIGY-AS-AP Prodidgy Telecommunications 204.48.118.0/23 AS29912 CITIZENS-PROPERTY-INSURANCE-CORPORATION - Citizens Property Insurance Corporation 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 207.32.160.0/19 AS14563 MICROCAST - Microcast, Inc 207.231.96.0/19 AS11194 NUNETPA - NuNet Inc 208.53.224.0/19 AS13576 SDNET - SOUTH DAKOTA NETWORK 208.138.48.0/20 AS6971 ATG-1 - Advanced Telcom Group, Inc 209.40.208.0/21 AS16592 Cybernet El Salvador 209.40.216.0/21 AS16592 Cybernet El Salvador 209.44.124.0/24 AS22241 ICCEPTS - Integrated Communications Concepts 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 209.222.137.0/24 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 216.82.160.0/20 AS20481 CALYX-NL Calyx Internet B.V. Netherlands 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 216.178.37.0/24 AS3356 LEVEL3 Level 3 Communications 216.178.39.0/24 AS3356 LEVEL3 Level 3 Communications 216.178.42.0/24 AS3356 LEVEL3 Level 3 Communications 216.178.43.0/24 AS3356 LEVEL3 Level 3 Communications 216.228.64.0/21 AS6295 WHIDBEY1 - Whidbey Internet Services 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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