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The Cidr Report
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cidr-report at potaroo.net
cidr-report at potaroo.net
Fri Oct 24 14:00:00 CEST 2003
This report has been generated at Fri Oct 24 21:48:22 2003 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 17-10-03 126363 89850 18-10-03 126619 89843 19-10-03 126587 89846 20-10-03 126527 89882 21-10-03 126559 89845 22-10-03 126609 89973 23-10-03 126751 89997 24-10-03 126836 89914 AS Summary 15984 Number of ASes in routing system 6349 Number of ASes announcing only one prefix 1427 Largest number of prefixes announced by an AS AS701 : ALTERNET-AS UUNET Technologies, Inc. 73596160 Largest address span announced by an AS (/32s) AS568 : SUMNET-AS 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'). --- 24Oct03 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 126568 89909 36659 29.0% All ASes AS4323 681 198 483 70.9% TW-COMM Time Warner Communications, Inc. AS701 1427 992 435 30.5% ALTERNET-AS UUNET Technologies, Inc. AS7018 1356 945 411 30.3% ATT-INTERNET4 AT&T WorldNet Services AS7843 532 144 388 72.9% ADELPHIA-AS Adelphia Corp. AS6197 641 274 367 57.3% BATI-ATL BellSouth Network Solutions, Inc AS3908 880 528 352 40.0% SUPERNETASBLK SuperNet, Inc. AS6198 572 231 341 59.6% BATI-MIA BellSouth Network Solutions, Inc AS22909 304 13 291 95.7% DNEO-OSP1 Comcast Cable Communications, Inc. AS1221 972 689 283 29.1% ASN-TELSTRA Telstra Pty Ltd AS4355 389 106 283 72.8% ERMS-EARTHLNK EARTHLINK, INC AS22773 296 18 278 93.9% CCINET-2 Cox Communications Inc. Atlanta AS1239 931 669 262 28.1% SPRINTLINK Sprint AS6347 342 86 256 74.9% DIAMOND SAVVIS Communications Corporation AS27364 316 70 246 77.8% ACS-INTERNET Armstrong Cable Services AS209 608 371 237 39.0% ASN-QWEST Qwest AS4134 360 127 233 64.7% CHINANET-BACKBONE No.31,Jin-rong Street AS17676 271 38 233 86.0% GIGAINFRA Softbank BB Corp. AS25844 242 10 232 95.9% SKADDEN1 Skadden, Arps, Slate, Meagher & Flom LLP AS11305 230 38 192 83.5% INTERLAND-NET1 Interland Incorporated AS6140 337 149 188 55.8% IMPSAT-USA ImpSat AS4519 189 9 180 95.2% MAAS Maas Communications AS9583 262 85 177 67.6% SATYAMNET-AS Satyam Infoway Ltd., AS6327 204 28 176 86.3% SHAW Shaw Communications Inc. AS14654 177 2 175 98.9% WAYPORT Wayport AS2386 382 208 174 45.5% INS-AS AT&T Data Communications Services AS2048 252 86 166 65.9% LANET-1 State of Louisiana AS705 400 243 157 39.2% ALTERNET-AS UUNET Technologies, Inc. AS5668 309 155 154 49.8% CENTURY Century Telephone AS20115 541 387 154 28.5% CHARTER-NET-HKY-NC Charter Communications AS11172 192 42 150 78.1% MX-SASC-LACNIC Servicios Alestra S.A de C.V Total 14595 6941 7654 52.4% Top 30 total Possible Bogus Routes 24.119.0.0/16 AS11492 CABLEONE CABLE ONE 61.12.32.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 61.12.34.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 64.30.64.0/19 AS14900 USLEC-CORP-1 USLEC Corp. 64.85.160.0/22 AS3356 LEVEL3 Level 3 Communications, LLC 64.85.184.0/21 AS3356 LEVEL3 Level 3 Communications, LLC 66.41.192.0/18 AS13367 CCCH-AS3 Comcast Cable Communications Holdings, Inc 132.0.0.0/10 AS568 SUMNET-AS DISO-UNRRA 137.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 138.136.0.0/13 AS568 SUMNET-AS DISO-UNRRA 140.143.2.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 140.240.0.0/13 AS1 GNTY-1 Genuity 142.105.220.0/22 AS3908 SUPERNETASBLK SuperNet, Inc. 142.105.224.0/22 AS3908 SUPERNETASBLK SuperNet, Inc. 142.105.228.0/22 AS3908 SUPERNETASBLK SuperNet, Inc. 142.105.232.0/22 AS3908 SUPERNETASBLK SuperNet, Inc. 158.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 165.212.0.0/16 AS7424 USANET USA.Net 166.16.0.0/16 AS7132 SBIS-AS SBC Internet Services - Southwest 192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network 192.44.0.0/19 AS702 ALTERNET-AS UUNET Technologies, Inc. 192.83.16.0/20 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.32.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.64.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.96.0/22 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.100.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.119.135.0/24 AS270 PSCNI-AS National Aeronautics and Space Administration 192.124.252.0/22 AS680 AS680 DFN-IP service G-WiN 192.135.50.0/24 AS7018 ATT-INTERNET4 AT&T WorldNet Services 192.136.71.0/24 AS719 AS719 LANLINK autonomous system 192.136.79.0/24 AS719 AS719 LANLINK autonomous system 192.153.136.0/21 AS568 SUMNET-AS DISO-UNRRA 192.153.144.0/21 AS568 SUMNET-AS DISO-UNRRA 192.172.0.0/19 AS568 SUMNET-AS DISO-UNRRA 192.188.208.0/20 AS568 SUMNET-AS DISO-UNRRA 192.243.32.0/23 AS2044 PALIN-AS Palin Aquisitions Inc. 198.23.26.0/24 AS4390 BELLATLANTIC-COM Bell Atlantic, Inc. 198.97.72.0/21 AS568 SUMNET-AS DISO-UNRRA 198.97.80.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.88.0/24 AS89 NUSC-CSTLNET-AS Naval Underwater Systems Center 198.97.192.0/20 AS568 SUMNET-AS DISO-UNRRA 198.97.240.0/20 AS568 SUMNET-AS DISO-UNRRA 198.98.8.0/21 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 198.101.4.0/22 AS568 SUMNET-AS DISO-UNRRA 198.136.32.0/20 AS19329 MCNET Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY-NET CityNet, Inc. 198.161.87.0/24 AS6539 GROUPTLCOM GT Group Telecom Services Corp. 198.161.165.0/24 AS852 ASN852 Telus Advanced Communications 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 ATTCA-15290 AT&T Canada Telecom Services Company 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 AS568 SUMNET-AS DISO-UNRRA 199.60.0.0/20 AS271 BCNET-AS University of British Columbia 199.79.32.0/20 AS3701 NERONET Oregon Joint Graduate Schools of Engineering 199.84.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.114.0.0/18 AS568 SUMNET-AS DISO-UNRRA 199.114.0.0/21 AS568 SUMNET-AS DISO-UNRRA 199.114.128.0/18 AS568 SUMNET-AS DISO-UNRRA 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 199.114.136.0/24 AS1913 DLA4 Defense Logistics Agency 199.114.138.0/24 AS721 DLA-ASNBLOCK-AS DoD Network Information Center 199.114.140.0/24 AS3544 ITSDN-U7 DISA/UNRRA 199.114.144.0/24 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 AS1913 DLA4 Defense Logistics Agency 199.114.154.0/24 AS1733 CENTAF-SWA AF DDN PMO 199.114.156.0/24 AS1913 DLA4 Defense Logistics Agency 199.120.32.0/19 AS16582 NEXTLEVELINTERNET NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS568 SUMNET-AS DISO-UNRRA 199.123.0.0/18 AS568 SUMNET-AS DISO-UNRRA 199.123.16.0/20 AS568 SUMNET-AS DISO-UNRRA 199.123.80.0/21 AS568 SUMNET-AS DISO-UNRRA 199.166.18.0/24 AS701 ALTERNET-AS UUNET Technologies, Inc. 199.189.32.0/19 AS7332 IQUEST-AS IQuest Internet 199.202.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 202.0.180.0/24 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.3.158.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.159.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.4.252.0/22 AS4808 CHINA169-BJ CNCGROUP IP network¡ªChina169 Beijing Province Network 202.4.255.0/24 AS4799 UNSPECIFIED Ji Tong Communications Co., Ltd. 202.44.112.0/20 AS17458 CWNETDG-IO-AP Cable and Wireless 202.70.240.0/20 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.74.32.0/19 AS9315 CWN-AS-AP Chomanan WorldNet Co., Ltd. 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.93.64.0/19 AS9425 I-NEXT-AS-AP Inter.net Philippines border AS 202.122.76.0/24 AS17553 TIMELESS-AP System Integration provider 202.136.254.0/23 AS4808 CHINA169-BJ CNCGROUP IP network¡ªChina169 Beijing Province Network 202.136.254.0/24 AS4808 CHINA169-BJ CNCGROUP IP network¡ªChina169 Beijing Province Network 202.136.255.0/24 AS4808 CHINA169-BJ CNCGROUP IP network¡ªChina169 Beijing Province Network 202.142.130.0/23 AS17820 DIL-AP DIRECT INTERNET LTD. 202.142.132.0/22 AS17820 DIL-AP DIRECT INTERNET LTD. 202.164.192.0/19 AS7599 IPXC-AS-AP IP Exchange 202.165.0.0/19 AS9443 INTERNETPRIMUS-AS-AP Primus Telecommunications 202.179.64.0/24 AS7633 SOFTNET-AS-AP Software Technology Parks of India 202.179.65.0/24 AS7633 SOFTNET-AS-AP Software Technology Parks of India 202.179.66.0/24 AS7633 SOFTNET-AS-AP Software Technology Parks of India 202.179.67.0/24 AS7633 SOFTNET-AS-AP Software Technology Parks of India 202.179.68.0/24 AS7633 SOFTNET-AS-AP Software Technology Parks of India 202.189.234.0/23 AS9658 ETPI-IDS-AS-AP Eastern Telecoms Phils., Inc. 203.10.17.0/24 AS9266 VIPER-AU-AP Vipernet 203.10.18.0/24 AS9266 VIPER-AU-AP Vipernet 203.10.19.0/24 AS9266 VIPER-AU-AP Vipernet 203.10.21.0/24 AS9266 VIPER-AU-AP Vipernet 203.10.22.0/24 AS9266 VIPER-AU-AP Vipernet 203.10.23.0/24 AS9266 VIPER-AU-AP Vipernet 203.32.4.0/23 AS7617 APNIC-AS-2-BLOCK Asia Pacific Network Information Centre 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.76.128.0/24 AS9729 IS-AP iAdvantage Limited 203.76.224.0/24 AS9549 COMDEK-ISP-AS-AP Comdek ISP 203.86.2.0/23 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 203.90.192.0/20 AS9658 ETPI-IDS-AS-AP Eastern Telecoms Phils., Inc. 203.129.126.0/24 AS7473 SINGTEL-AS-AP Singapore Telecom 203.129.127.0/24 AS7473 SINGTEL-AS-AP Singapore Telecom 203.132.95.0/24 AS9787 CONCEPT-AU-AP Concept Networks 203.132.97.0/24 AS7652 VIANET-AS-AP Vianet Communications Pty Ltd 203.132.99.0/24 AS7657 TIG-US-PAS-AP The Internet Group Limited 203.132.102.0/24 AS9398 ARACHNET-AS-AP Arachnet 203.132.103.0/24 AS9398 ARACHNET-AS-AP Arachnet 203.132.104.0/24 AS9398 ARACHNET-AS-AP Arachnet 203.132.105.0/24 AS9398 ARACHNET-AS-AP Arachnet 203.132.106.0/24 AS9398 ARACHNET-AS-AP Arachnet 203.132.107.0/24 AS10236 FOXGOLD-NET-AU-AP FOXGOLD COMMUNICATIONS 203.132.108.0/24 AS10236 FOXGOLD-NET-AU-AP FOXGOLD COMMUNICATIONS 203.132.109.0/24 AS10141 CALOUNDRA-AS-AP Caloundra.net 203.132.110.0/24 AS7598 ALPHALINK-AS-AP Alphalink Pty Limited - Melbourne, Australia 203.132.111.0/24 AS10236 FOXGOLD-NET-AU-AP FOXGOLD COMMUNICATIONS 203.132.112.0/24 AS10236 FOXGOLD-NET-AU-AP FOXGOLD COMMUNICATIONS 203.132.118.0/24 AS18065 CENTRALDATA-WA Central Data Pty Ltd. 203.132.122.0/24 AS4802 WANTREE-AS-AP Wantree Development 203.132.123.0/24 AS18065 CENTRALDATA-WA Central Data Pty Ltd. 203.132.124.0/24 AS18065 CENTRALDATA-WA Central Data Pty Ltd. 203.132.125.0/24 AS4817 TECHEX1-AS-AP Techex Primary Netblock 203.135.99.0/24 AS2687 IBM-MMD-AS IBM 203.135.224.0/19 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 204.19.224.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 204.29.189.0/24 AS3956 TX-METRO Texas Metronet 204.52.232.0/24 AS7177 DFWNET DFW Internet Services, Inc. 204.89.225.0/24 AS2495 KANREN Kansas Research and Education Network 204.154.126.0/24 AS3952 TELLABS-ASN TELLABS Operations, Inc. 204.194.110.0/23 AS10588 ICSNET Intelligent Computer Solutions, Inc 205.150.0.0/15 AS701 ALTERNET-AS UUNET Technologies, Inc. 206.41.32.0/19 AS14824 NEWSOUTH NewSouth Communications Corp. 206.81.187.0/24 AS19194 JOVITA Sentris Network LLC 206.82.64.0/18 AS7029 ALLTELNET Alltel Information Services, Inc. 206.108.34.0/24 AS852 ASN852 Telus Advanced Communications 206.108.35.0/24 AS852 ASN852 Telus Advanced Communications 206.167.57.0/24 AS376 RISQ-AS Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 206.251.69.0/24 AS27429 TIL Telesat International Ltd. 207.47.39.0/24 AS816 UUNET-AS4 UUNET Technologies, Inc. 207.162.192.0/19 AS4589 EASYNET Easynet Group Plc 207.231.96.0/19 AS11194 NUNETPA NuNet Inc 208.65.232.0/23 AS701 ALTERNET-AS UUNET Technologies, Inc. 208.81.187.0/24 AS19194 JOVITA Sentris Network LLC 208.104.103.0/24 AS1239 SPRINTLINK Sprint 209.151.128.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 209.169.219.0/24 AS189 GENUITY-AS189 Genuity 209.169.223.0/24 AS189 GENUITY-AS189 Genuity 209.172.0.0/18 AS7770 TRITON Triton Technologies, Inc. 209.213.32.0/19 AS10629 INTERPAC Inter-Pacific Network Services 209.213.50.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.51.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.55.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.213.56.0/24 AS10629 INTERPAC Inter-Pacific Network Services 209.222.137.0/24 AS27429 TIL Telesat International Ltd. 209.240.96.0/19 AS10815 KCNET KCnet, Inc. 209.251.0.0/19 AS11036 SISCOM SISCOM, Inc 209.251.64.0/19 AS10266 NETWAY-AS MDC, Inc. 210.213.0.0/19 AS6453 TELEGLOBE-AS Teleglobe Inc 216.18.224.0/21 AS11458 IMBRIS IMBRIS, INC. 216.18.224.0/22 AS11458 IMBRIS IMBRIS, INC. 216.18.228.0/22 AS11458 IMBRIS IMBRIS, INC. 216.47.32.0/19 AS11304 SPLUS Solutions Plus Inc. 216.96.128.0/18 AS7018 ATT-INTERNET4 AT&T WorldNet Services 216.226.108.0/22 AS3602 SPRINT-CA-AS Sprint Canada Inc. 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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