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The Cidr Report
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cidr-report at potaroo.net
cidr-report at potaroo.net
Fri Jan 2 12:00:01 CET 2004
This report has been generated at Fri Jan 2 21:47:21 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 26-12-03 129101 90485 27-12-03 129152 90411 28-12-03 128993 90454 29-12-03 129056 90534 30-12-03 129312 90459 31-12-03 129124 90575 01-01-04 129207 90551 02-01-04 129307 90461 AS Summary 16314 Number of ASes in routing system 6526 Number of ASes announcing only one prefix 1395 Largest number of prefixes announced by an AS AS7018 : ATT-INTERNET4 AT&T WorldNet Services 73402112 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'). --- 02Jan04 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 129175 90402 38773 30.0% All ASes AS4134 709 124 585 82.5% CHINANET-BACKBONE No.31,Jin-rong Street AS6197 823 296 527 64.0% BATI-ATL BellSouth Network Solutions, Inc AS4323 675 204 471 69.8% TW-COMM Time Warner Communications, Inc. AS7018 1395 960 435 31.2% ATT-INTERNET4 AT&T WorldNet Services AS701 1386 955 431 31.1% ALTERNET-AS UUNET Technologies, Inc. AS7843 508 117 391 77.0% ADELPHIA-AS Adelphia Corp. AS6198 569 228 341 59.9% BATI-MIA BellSouth Network Solutions, Inc AS22909 320 13 307 95.9% DNEO-OSP1 Comcast Cable Communications, Inc. AS27364 381 81 300 78.7% ACS-INTERNET Armstrong Cable Services AS22773 327 31 296 90.5% CCINET-2 Cox Communications Inc. Atlanta AS1239 957 669 288 30.1% SPRINTLINK Sprint AS4355 380 101 279 73.4% ERMS-EARTHLNK EARTHLINK, INC AS1221 912 657 255 28.0% ASN-TELSTRA Telstra Pty Ltd AS17676 290 42 248 85.5% GIGAINFRA Softbank BB Corp. AS6347 325 83 242 74.5% DIAMOND SAVVIS Communications Corporation AS25844 243 16 227 93.4% SKADDEN1 Skadden, Arps, Slate, Meagher & Flom LLP AS9583 273 55 218 79.9% SATYAMNET-AS Satyam Infoway Ltd., AS209 730 515 215 29.5% ASN-QWEST Qwest AS6140 351 136 215 61.3% IMPSAT-USA ImpSat AS14654 206 3 203 98.5% WAYPORT Wayport AS11305 231 38 193 83.5% INTERLAND-NET1 Interland Incorporated AS4519 194 13 181 93.3% MAAS Maas Communications AS6478 218 41 177 81.2% ATT-INTERNET3 AT&T WorldNet Services AS9929 204 27 177 86.8% CNCNET-CN China Netcom Corp. AS6327 204 28 176 86.3% SHAW Shaw Communications Inc. AS2386 408 239 169 41.4% INS-AS AT&T Data Communications Services AS20115 581 414 167 28.7% CHARTER-NET-HKY-NC Charter Communications AS15270 204 41 163 79.9% AS-PAETEC-NET PaeTec.net -a division of PaeTecCommunications, Inc. AS2048 245 83 162 66.1% LANET-1 State of Louisiana AS4766 389 234 155 39.8% KIX Korea Internet Exchange for "96 World Internet Exposition Total 14638 6444 8194 56.0% Top 30 total Possible Bogus Routes 24.138.80.0/20 AS11260 ANDARA-HSI Andara High Speed Internet c/o Halifax Cable Ltd. 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 64.62.64.0/24 AS3549 GBLX Global Crossing 64.62.126.0/23 AS25700 SWIFTDESK SWIFTDESK VENTURE 66.41.192.0/18 AS13367 CCCH-AS3 Comcast Cable Communications Holdings, Inc 69.8.128.0/17 AS7260 NORLIGHT Norlight Telecommunications 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 158.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA 192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network 192.44.0.0/19 AS702 AS702 MCI EMEA 192.64.84.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 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 192.153.144.0/21 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. 198.41.194.0/24 AS1982 ASN-NWNEXUS Northwest Nexus 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 198.101.4.0/22 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 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 AS568 SUMNET-AS DISO-UNRRA 199.60.0.0/20 AS271 BCNET-AS University of British Columbia 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 199.114.142.0/24 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 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 199.114.160.0/24 AS1733 CENTAF-SWA AF DDN PMO 199.120.32.0/19 AS16582 NEXTLEVELINTERNET NEXTLEVEL INTERNET, INC. 199.121.0.0/16 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 199.189.32.0/19 AS7332 IQUEST-AS IQuest Internet 199.202.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc. 200.120.0.0/16 AS22047 CL-VPNS-LACNIC VTR BANDA ANCHA S.A. 202.0.180.0/24 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 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. 202.70.240.0/20 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.72.112.0/22 AS22351 INTELSAT-1 INTELSAT 202.122.76.0/24 AS17553 TIMELESS-AP System Integration provider 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 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. 203.132.95.0/24 AS9787 CONCEPT-AU-AP Concept Networks 203.132.97.0/24 AS7652 VIANET-AS-AP Vianet Communications Pty Ltd 203.132.107.0/24 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 203.132.111.0/24 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 204.19.224.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 204.69.144.0/22 AS5668 AS-5668 CenturyTel Internet Holdings, Inc. 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 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 206.108.34.0/24 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 ALLST-15290 Allstream Corp. Corporation Allstream 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 208.81.187.0/24 AS19194 JOVITA Sentris Network LLC 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. 209.196.192.0/19 AS1784 GNAPS Global NAPs Networks 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 GIEUROPE Teleglobe America 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. 216.36.46.0/24 AS7176 GENUITY-AS7176 Genuity 216.36.47.0/24 AS7176 GENUITY-AS7176 Genuity 216.96.128.0/18 AS7018 ATT-INTERNET4 AT&T WorldNet Services 220.228.0.0/16 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.228.0.0/17 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.228.0.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.228.32.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.228.64.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.228.96.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.228.128.0/17 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.228.128.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.228.160.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.228.192.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.228.224.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.229.0.0/16 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.229.0.0/17 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.229.0.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.229.32.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.229.64.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.229.96.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.229.128.0/17 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.229.128.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.229.160.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.229.192.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 220.229.224.0/19 AS9919 NCIC-TW New Century InfoComm Tech Co., Ltd. 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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