The Cidr Report
cidr-report at potaroo.net cidr-report at potaroo.net
Fri Aug 15 14:00:00 CEST 2003
This report has been generated at Fri Aug 15 21:47:34 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 08-08-03 124082 88568 09-08-03 124348 88510 10-08-03 124220 88564 11-08-03 124223 88575 12-08-03 124320 88542 13-08-03 124171 88551 14-08-03 124191 88511 15-08-03 123680 87047 AS Summary 15269 Number of ASes in routing system 6030 Number of ASes announcing only one prefix 1374 Largest number of prefixes announced by an AS AS701 : ALTERNET-AS UUNET Technologies, Inc. 73223424 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'). --- 15Aug03 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 121911 87190 34721 28.5% All ASes AS4323 617 180 437 70.8% TW-COMM Time Warner Communications, Inc. AS701 1374 965 409 29.8% ALTERNET-AS UUNET Technologies, Inc. AS7018 1350 963 387 28.7% ATT-INTERNET4 AT&T WorldNet Services AS3908 906 535 371 40.9% SUPERNETASBLK SuperNet, Inc. AS7843 567 208 359 63.3% ADELPHIA-AS Adelphia Corp. AS11305 359 38 321 89.4% INTERLAND-NET1 Interland Incorporated AS6197 567 257 310 54.7% BATI-ATL BellSouth Network Solutions, Inc AS1221 1043 734 309 29.6% ASN-TELSTRA Telstra Pty Ltd AS6198 509 201 308 60.5% BATI-MIA BellSouth Network Solutions, Inc AS4355 398 114 284 71.4% ERMS-EARTHLNK EARTHLINK, INC AS6347 344 91 253 73.5% DIAMOND SAVVIS Communications Corporation AS1239 874 626 248 28.4% SPRINTLINK Sprint AS27364 317 84 233 73.5% ACS-INTERNET Armstrong Cable Services AS17676 251 25 226 90.0% GIGAINFRA Softbank BB Corp. AS22773 239 17 222 92.9% CCINET-2 Cox Communications Inc. Atlanta AS209 516 299 217 42.1% ASN-QWEST Qwest AS4134 321 125 196 61.1% CHINANET-BACKBONE No.31,Jin-rong Street AS705 482 305 177 36.7% ALTERNET-AS UUNET Technologies, Inc. AS6327 194 22 172 88.7% SHAW Shaw Communications Inc. AS2386 374 203 171 45.7% INS-AS AT&T Data Communications Services AS7132 410 240 170 41.5% SBIS-AS SBC Internet Services - Southwest AS2048 255 87 168 65.9% LANET-1 State of Louisiana AS17557 303 139 164 54.1% PKTELECOM-AS-AP Pakistan Telecom AS14654 165 3 162 98.2% WAYPORT Wayport AS4538 167 21 146 87.4% ERX-CERNET-BKB China Education and Research Network Center AS20115 475 329 146 30.7% CHARTER-NET-HKY-NC Charter Communications AS9800 198 56 142 71.7% UNICOM CHINA UNICOM AS9583 241 100 141 58.5% SATYAMNET-AS Satyam Infoway Ltd., AS3602 221 81 140 63.3% SPRINT-CA-AS Sprint Canada Inc. AS6140 298 160 138 46.3% IMPSAT-USA ImpSat Total 14335 7208 7127 49.7% 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. 66.41.192.0/18 AS13367 ATT-BBND-B AT&T Broadband 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 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 192.88.99.0/24 AS3246 SONGNETWORKS Song Networks 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 199.114.140.0/24 AS3544 ITSDN-U7 DISA/UNRRA 199.114.152.0/24 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 199.123.16.0/20 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. 202.0.180.0/24 AS4058 APNIC-4058 Asia Pacific Network Information Centre 202.3.144.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.145.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.146.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.147.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.148.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.149.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.150.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.151.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.152.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.153.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.154.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.155.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.156.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.3.157.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 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. 202.6.96.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.97.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.6.99.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN 202.10.72.0/21 AS9716 AUSTAR-AS-AP Austar Entertainement 202.44.112.0/20 AS17458 CWNETDG-IO-AP Cable and Wireless 202.89.200.0/24 AS7473 SINGTEL-AS-AP Singapore Telecom 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 202.130.224.0/20 AS4808 CHINA169-BJ CNCGROUP IP network¡ªChina169 Beijing Province Network 202.130.240.0/21 AS4808 CHINA169-BJ CNCGROUP IP network¡ªChina169 Beijing Province Network 202.130.248.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 202.130.252.0/22 AS4812 CHINANET-SH-AP China Telecom (Group) 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 202.142.130.0/23 AS17820 DIL-AP DIRECT INTERNET LTD. 202.142.132.0/22 AS17820 DIL-AP DIRECT INTERNET LTD. 202.143.48.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.143.56.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN 202.161.0.0/19 AS10097 FLOWCOM flow communications level 2 541 kent st sydney nsw 2000 202.161.0.0/21 AS4634 -No Whois Entry- 202.161.8.0/21 AS4634 -No Whois Entry- 202.164.192.0/19 AS7599 IPXC-AS-AP IP Exchange 202.165.0.0/19 AS9443 INTERNETPRIMUS-AS-AP Primus Telecommunications 202.189.234.0/23 AS9658 ETPI-IDS-AS-AP Eastern Telecoms Phils., Inc. 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 203.78.125.0/24 AS17653 PCM-HK-AP Pacific Century Matrix 203.86.2.0/23 AS4058 APNIC-4058 Asia Pacific Network Information Centre 203.90.192.0/20 AS9658 ETPI-IDS-AS-AP Eastern Telecoms Phils., Inc. 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 AS9663 KARRATHA-AS-AP Karratha Internet Support Services 203.132.104.0/24 AS9663 KARRATHA-AS-AP Karratha Internet Support Services 203.132.105.0/24 AS9663 KARRATHA-AS-AP Karratha Internet Support Services 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 APNIC-4058 Asia Pacific Network Information Centre 203.171.96.0/19 AS703 ALTERNET-AS UUNET Technologies, Inc. 203.171.102.0/24 AS703 ALTERNET-AS UUNET Technologies, Inc. 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 204.154.240.0/21 AS11572 MEDIACOM Mediacom,llc / RidgeNet 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 206.126.0.0/19 AS5750 FLEXNET-HAWAII FlexNet Inc. 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. 207.92.0.0/14 AS2551 ICG ICG NetAhead, 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 209.104.252.0/22 AS12030 PACIFIC-ONLINE-PON Pacific Online Services 209.108.0.0/14 AS2551 ICG ICG NetAhead, Inc. 209.151.128.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 209.160.73.0/24 AS13415 LUMIX Lumix Communications, 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 209.213.160.0/19 AS4355 ERMS-EARTHLNK EARTHLINK, INC 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. 210.4.20.0/22 AS10095 -No Whois Entry- 210.4.60.0/24 AS10095 -No Whois Entry- 210.4.61.0/24 AS10095 -No Whois Entry- 210.213.0.0/19 AS6453 TELEGLOBE-AS Teleglobe Inc 211.27.156.0/24 AS9768 PUBNET1-AS KT 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 216.153.0.0/17 AS6203 ISDN-NET ISDN-Net Inc. 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