This report has been generated at Fri Jul 4 21:06:58 2003 AEST. The report analyses the BGP Routing Table of the Route-Views router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as6447 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 27-06-03 139252 99596 28-06-03 139843 100000 29-06-03 139456 83002 30-06-03 142850 74521 01-07-03 143033 98601 02-07-03 142640 18440 03-07-03 142667 99153 04-07-03 142783 97924 AS Summary 15604 Number of ASes in routing system 6035 Number of ASes announcing only one prefix 5262 Largest number of prefixes announced by an AS AS15290: ATTCA-15290 AT&T Canada Telecom Services Company 73223936 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'). --- 04Jul03 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 142767 97931 44836 31.4% All ASes AS15290 5262 267 4995 94.9% ATTCA-15290 AT&T Canada Telecom Services Company AS705 2355 1285 1070 45.4% ALTERNET-AS UUNET Technologies, Inc. AS18566 619 8 611 98.7% COVAD Covad Communications AS7132 838 232 606 72.3% SBIS-AS SBC Internet Services - Southwest AS4716 1304 731 573 43.9% POWEREDCOM POWEREDCOM, Inc. AS3908 1800 1278 522 29.0% SUPERNETASBLK SuperNet, Inc. AS11305 549 80 469 85.4% INTERLAND-NET1 Interland Incorporated AS701 1520 1069 451 29.7% ALTERNET-AS UUNET Technologies, Inc. AS690 1607 1165 442 27.5% MERIT-AS-27 Merit Network Inc. AS4323 605 181 424 70.1% TW-COMM Time Warner Communications, Inc. AS7018 1367 948 419 30.7% ATT-INTERNET4 AT&T WorldNet Services AS189 690 302 388 56.2% GENUITY-AS189 Genuity AS702 1022 640 382 37.4% ALTERNET-AS UUNET Technologies, Inc. AS7843 609 238 371 60.9% ADELPHIA-AS Adelphia Corp. AS1221 1125 779 346 30.8% ASN-TELSTRA Telstra Pty Ltd AS3215 553 220 333 60.2% AS3215 France Telecom Transpac AS6197 523 232 291 55.6% BATI-ATL BellSouth Network Solutions, Inc AS6198 479 188 291 60.8% BATI-MIA BellSouth Network Solutions, Inc AS1239 964 676 288 29.9% SPRINTLINK Sprint AS6347 387 116 271 70.0% DIAMOND SAVVIS Communications Corporation AS7046 1335 1080 255 19.1% UUNET-CUSTOMER UUNET Technologies, Inc. AS25844 259 11 248 95.8% SKADDEN1 Skadden, Arps, Slate, Meagher & Flom LLP AS3356 624 383 241 38.6% LEVEL3 Level 3 Communications, LLC AS27364 306 83 223 72.9% ACS-INTERNET Armstrong Cable Services AS22773 224 8 216 96.4% CCINET-2 Cox Communications Inc. Atlanta AS209 645 443 202 31.3% ASN-QWEST Qwest AS4755 435 241 194 44.6% VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System AS17676 250 67 183 73.2% GIGAINFRA XTAGE CORPORATION AS2386 408 231 177 43.4% INS-AS AT&T Data Communications Services AS17557 341 172 169 49.6% PKTELECOM-AS-AP Pakistan Telecom Total 29005 13354 15651 54.0% Top 30 total Possible Bogus Routes 5.5.5.0/24 AS1239 SPRINTLINK Sprint 24.119.0.0/16 AS11492 CABLEONE CABLE ONE 24.223.128.0/17 AS11060 NEO-RR-COM Time Warner Cable Northeast Ohio 39.0.0.0/8 AS4554 EP0-BLK-ASNBLOCK-4 Exchange Point Blocks 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 63.0.0.0/8 AS226 LOS-NETTOS-AS Los Nettos 64.30.64.0/19 AS14900 USLEC-CORP-1 USLEC Corp. 66.41.192.0/18 AS13367 ATT-BBND-B AT&T Broadband 66.98.128.0/19 AS13749 EVERYONES-INTERNET Everyones Internet, Inc. 66.98.160.0/20 AS13749 EVERYONES-INTERNET Everyones Internet, Inc. 66.118.32.0/20 AS11457 TEXLINK Tex-Link Communications, Inc. 66.207.54.80/29 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 67.45.23.120/29 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 67.45.53.192/29 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 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 140.240.0.0/13 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 171.64.0.0/10 AS1 GNTY-1 Genuity 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. 192.83.14.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.16.0/20 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.83.25.0/24 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 192.136.79.0/24 AS719 AS719 LANLINK autonomous system 192.136.80.0/24 AS719 AS719 LANLINK autonomous system 192.136.84.0/24 AS719 AS719 LANLINK autonomous system 192.136.85.0/24 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 192.168.4.0/24 AS21166 AS21166 SatGate autonomous system 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 198.161.200.0/24 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 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 199.120.32.0/19 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. 200.58.240.0/24 AS7997 CO-EMSA-LACNIC EMTELCO S.A. 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 202.4.252.0/22 AS4808 CNCGROUP-BJ CNCGROUP-BJ 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 202.122.76.0/24 AS17553 TIMELESS-AP System Integration provider 202.130.224.0/20 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.130.240.0/21 AS4808 CNCGROUP-BJ CNCGROUP-BJ 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 CNCGROUP-BJ CNCGROUP-BJ 202.136.254.0/24 AS4808 CNCGROUP-BJ CNCGROUP-BJ 202.140.230.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.232.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.234.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 202.140.235.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited 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 202.173.32.0/19 AS9671 APNIC-AS-3-BLOCK Asia Pacific Network Information Centre 203.12.222.64/26 AS4802 WANTREE-AS-AP Wantree Development 203.12.222.192/26 AS4802 WANTREE-AS-AP Wantree Development 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 203.84.192.0/19 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 203.84.192.0/20 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 203.84.208.0/20 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 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. 203.135.99.0/24 AS2687 IBM-MMD-AS IBM 203.135.224.0/19 AS4058 APNIC-4058 Asia Pacific Network Information Centre 204.19.224.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc. 204.29.189.0/24 AS11755 WAYMARKCOMM Waymark Internet Services, Inc. 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 204.194.110.0/23 AS10588 ICSNET Intelligent Computer Solutions, Inc 205.150.0.0/15 AS701 ALTERNET-AS UUNET Technologies, Inc. 205.151.0.0/19 AS816 UUNET-AS4 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 206.191.96.0/19 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. 207.145.232.192/26 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company 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 209.104.198.0/24 AS6137 SISNA SISNA, Inc. 209.104.199.0/24 AS6137 SISNA SISNA, Inc. 209.104.218.0/24 AS6137 SISNA SISNA, Inc. 209.104.219.0/24 AS6137 SISNA SISNA, Inc. 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. 209.160.209.0/24 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 209.213.50.0/24 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 209.213.160.0/19 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- 211.27.156.0/24 AS9768 PUBNET1-AS KT 211.27.156.192/26 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. 216.19.244.192/27 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide 216.47.32.0/19 AS11304 SPLUS Solutions Plus Inc. 216.96.128.0/18 AS7018 ATT-INTERNET4 AT&T WorldNet Services 216.115.178.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.179.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.182.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.183.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.184.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.186.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.189.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.190.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.115.191.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions 216.153.0.0/17 AS6203 ISDN-NET ISDN-Net Inc. 216.211.177.0/24 AS14473 KNET KNet, 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@merit.edu eof-list@ripe.net apops@apops.net routing-wg@ripe.net afnog@afnog.org