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The Cidr Report
by cidr-report＠potaroo.net 14 Mar '08

14 Mar '08

This report has been generated at Fri Mar 14 21:14:42 2008 AEST. The report analyses the BGP Routing Table of AS2.0 router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org for a current version of this report. Recent Table History Date Prefixes CIDR Agg 07-03-08 255204 164943 08-03-08 255766 165201 09-03-08 255895 165333 10-03-08 255998 165367 11-03-08 255699 165517 12-03-08 256055 165858 13-03-08 256538 166306 14-03-08 256927 166127 AS Summary 27878 Number of ASes in routing system 11667 Number of ASes announcing only one prefix 1609 Largest number of prefixes announced by an AS AS4755 : VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System 88764160 Largest address span announced by an AS (/32s) AS721 : DISA-ASNBLK - 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'). --- 14Mar08 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 257248 166142 91106 35.4% All ASes AS4755 1609 502 1107 68.8% VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System AS9498 1200 123 1077 89.8% BBIL-AP BHARTI BT INTERNET LTD. AS4323 1388 513 875 63.0% TWTC - Time Warner Telecom, Inc. AS18566 1043 245 798 76.5% COVAD - Covad Communications Co. AS11492 1222 469 753 61.6% CABLEONE - CABLE ONE AS8151 1191 498 693 58.2% Uninet S.A. de C.V. AS17488 1021 330 691 67.7% HATHWAY-NET-AP Hathway IP Over Cable Internet AS18101 710 72 638 89.9% RIL-IDC Reliance Infocom Ltd Internet Data Centre, AS19262 893 267 626 70.1% VZGNI-TRANSIT - Verizon Internet Services Inc. AS2386 1403 871 532 37.9% INS-AS - AT&T Data Communications Services AS6478 936 420 516 55.1% ATT-INTERNET3 - AT&T WorldNet Services AS22773 890 392 498 56.0% CCINET-2 - Cox Communications Inc. AS4134 873 399 474 54.3% CHINANET-BACKBONE No.31,Jin-rong Street AS4812 562 104 458 81.5% CHINANET-SH-AP China Telecom (Group) AS17676 510 68 442 86.7% GIGAINFRA BB TECHNOLOGY Corp. AS855 565 127 438 77.5% CANET-ASN-4 - Bell Aliant AS7018 1469 1039 430 29.3% ATT-INTERNET4 - AT&T WorldNet Services AS6197 999 571 428 42.8% BATI-ATL - BellSouth Network Solutions, Inc AS4766 867 446 421 48.6% KIXS-AS-KR Korea Telecom AS3356 861 452 409 47.5% LEVEL3 Level 3 Communications AS6389 890 497 393 44.2% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS3602 462 82 380 82.3% AS3602-RTI - Rogers Telecom Inc. AS6140 610 234 376 61.6% IMPSAT-USA - ImpSat USA, Inc. AS1785 550 175 375 68.2% AS-PAETEC-NET - PaeTec Communications, Inc. AS9443 452 77 375 83.0% INTERNETPRIMUS-AS-AP Primus Telecommunications AS7545 502 133 369 73.5% TPG-INTERNET-AP TPG Internet Pty Ltd AS4808 516 151 365 70.7% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS5668 678 318 360 53.1% AS-5668 - CenturyTel Internet Holdings, Inc. AS16814 426 73 353 82.9% NSS S.A. AS19916 557 205 352 63.2% ASTRUM-0001 - OLM LLC Total 25855 9853 16002 61.9% Top 30 total Possible Bogus Routes 24.38.0.0/17 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.48.0.0/13 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.48.10.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.48.12.0/22 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.48.80.0/21 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.49.44.0/24 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.49.60.0/24 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.49.63.0/24 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.52.110.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.52.124.0/22 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.52.232.0/22 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.54.224.0/19 AS20001 ROADRUNNER-WEST - Road Runner HoldCo LLC 24.75.192.0/18 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.75.224.0/21 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 24.142.40.0/21 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 24.142.160.0/19 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 24.246.0.0/17 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 24.246.128.0/18 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 46.9.2.0/24 AS3301 TELIANET-SWEDEN TeliaNet Sweden 46.9.3.0/24 AS3301 TELIANET-SWEDEN TeliaNet Sweden 46.9.4.0/24 AS3301 TELIANET-SWEDEN TeliaNet Sweden 46.9.5.0/24 AS3301 TELIANET-SWEDEN TeliaNet Sweden 46.9.6.0/24 AS3301 TELIANET-SWEDEN TeliaNet Sweden 62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV - Wireless Broadband via Satellite 63.140.213.0/24 AS22555 UTC - Universal Talkware Corporation 63.140.238.0/24 AS20471 MONCUR - Moncur Design 63.141.42.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 63.143.71.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 63.143.115.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 63.248.0.0/16 AS3356 LEVEL3 Level 3 Communications 64.5.64.0/22 AS7228 MCLEOD - McLeod, Inc. 64.5.68.0/24 AS7228 MCLEOD - McLeod, Inc. 64.5.69.0/24 AS7228 MCLEOD - McLeod, Inc. 64.5.70.0/23 AS7228 MCLEOD - McLeod, Inc. 64.5.72.0/24 AS7228 MCLEOD - McLeod, Inc. 64.5.73.0/24 AS7228 MCLEOD - McLeod, Inc. 64.5.74.0/23 AS7228 MCLEOD - McLeod, Inc. 64.5.76.0/22 AS7228 MCLEOD - McLeod, Inc. 64.5.80.0/20 AS7228 MCLEOD - McLeod, Inc. 64.5.96.0/22 AS7228 MCLEOD - McLeod, Inc. 64.5.100.0/23 AS7228 MCLEOD - McLeod, Inc. 64.5.102.0/24 AS7228 MCLEOD - McLeod, Inc. 64.5.103.0/24 AS7228 MCLEOD - McLeod, Inc. 64.5.104.0/21 AS7228 MCLEOD - McLeod, Inc. 64.5.112.0/20 AS7228 MCLEOD - McLeod, Inc. 64.7.112.0/21 AS6453 GLOBEINTERNET Teleglobe America Inc. 64.7.120.0/21 AS6453 GLOBEINTERNET Teleglobe America Inc. 64.50.128.0/18 AS4565 MEGAPATH2-US - MegaPath Networks Inc. 64.89.0.0/22 AS10469 FIRSTNET - FIRST Inc. 64.89.6.0/24 AS10469 FIRSTNET - FIRST Inc. 64.89.7.0/24 AS7132 SBIS-AS - AT&T Internet Services 64.89.9.0/24 AS10469 FIRSTNET - FIRST Inc. 64.89.10.0/24 AS10469 FIRSTNET - FIRST Inc. 64.144.0.0/15 AS4565 MEGAPATH2-US - MegaPath Networks Inc. 64.188.0.0/16 AS3356 LEVEL3 Level 3 Communications 65.36.8.0/24 AS5696 65.36.9.0/24 AS5696 65.36.33.0/24 AS5696 65.36.52.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 66.6.34.0/24 AS14935 MONTICELLO - Monticello Networks, Inc. 66.11.32.0/20 AS6261 VISINET - Visionary Systems, Inc. 66.11.40.0/21 AS6261 VISINET - Visionary Systems, Inc. 66.54.91.0/24 AS30506 BLACKSUN-1 - Blacksun Technologies LLC 66.55.160.0/19 AS29994 66.64.96.0/20 AS3790 RADIGRAFICA COSTARRICENSE 66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION 66.181.128.0/21 AS22619 66.199.32.0/20 AS10397 WISP-AS - Wispnet, LLC 66.206.32.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.33.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.34.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.35.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board 66.206.40.0/22 AS174 COGENT Cogent/PSI 66.206.44.0/23 AS174 COGENT Cogent/PSI 66.206.47.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 66.207.32.0/20 AS23011 66.219.192.0/18 AS5048 FIBER - FIBERNET Corp. 67.20.0.0/14 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 67.20.219.0/24 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 67.21.32.0/20 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 67.22.32.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 67.22.46.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 67.22.48.0/21 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 67.22.56.0/22 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 67.22.64.0/21 AS7843 ADELPHIA-AS - Road Runner HoldCo LLC 67.22.112.0/20 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.64.0.0/13 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.64.56.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.64.58.0/24 AS7843 ADELPHIA-AS - Road Runner HoldCo LLC 68.67.96.0/19 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.67.124.0/22 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.68.80.0/20 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.70.132.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.70.136.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.70.140.0/22 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.70.146.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.70.148.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.168.0.0/14 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.168.192.0/20 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.169.171.0/24 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.169.239.0/24 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.169.240.0/24 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.169.255.0/24 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.171.12.0/22 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.171.140.0/22 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.171.144.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.171.150.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.232.0.0/14 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 68.235.122.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 69.71.192.0/20 AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport 69.80.0.0/17 AS3043 AMPHIB-AS - Amphibian Media Corporation 69.160.0.0/12 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 69.160.224.0/20 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 69.163.30.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 69.164.192.0/18 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 69.166.0.0/19 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 69.166.56.0/21 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 69.167.176.0/20 AS7843 ADELPHIA-AS - Road Runner HoldCo LLC 69.168.0.0/14 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 69.169.0.0/17 AS20001 ROADRUNNER-WEST - Road Runner HoldCo LLC 69.171.0.0/20 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 69.172.0.0/14 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 69.173.172.0/22 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 69.173.184.0/22 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 70.32.0.0/13 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 70.32.64.0/18 AS20001 ROADRUNNER-WEST - Road Runner HoldCo LLC 70.36.0.0/20 AS7843 ADELPHIA-AS - Road Runner HoldCo LLC 70.36.64.0/20 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 70.36.80.0/20 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 70.37.124.0/22 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 70.37.212.0/22 AS7843 ADELPHIA-AS - Road Runner HoldCo LLC 70.38.0.0/16 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 70.38.188.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 70.38.190.0/23 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 70.40.0.0/16 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 80.88.0.0/21 AS33774 DJAWEB 80.88.8.0/22 AS33774 DJAWEB 80.88.10.0/24 AS33774 DJAWEB 80.88.11.0/24 AS33774 DJAWEB 80.88.12.0/24 AS33779 wataniya-telecom-as 95.192.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 95.195.82.0/24 AS43827 ENVAGENCY Environement Agency 95.195.83.0/24 AS43827 ENVAGENCY Environement Agency 95.255.248.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 114.0.0.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 114.50.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 114.200.0.0/19 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 114.255.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 115.0.0.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 115.50.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 115.200.0.0/19 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 115.255.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project 128.209.0.0/16 AS4017 137.0.0.0/13 AS721 DISA-ASNBLK - DoD Network Information Center 151.135.0.0/16 AS4768 CLIX-NZ TelstraClear Ltd 159.3.211.0/24 AS2687 ASATTCA AT&T Global Network Services - AP 163.142.0.0/16 AS2500 WIDE-BB WIDE Project 172.10.1.0/30 AS18305 POSNET POSDATA Co.,Ltd 192.9.200.0/24 AS3602 AS3602-RTI - Rogers Telecom Inc. 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 AS12582 TSF-DATANET-NGD-AS TSF MPLS VPN Services 192.69.107.0/24 AS5515 TS-FINLAND-DATANET-OLD TS Finland DataNet 192.69.108.0/24 AS5515 TS-FINLAND-DATANET-OLD TS Finland DataNet 192.69.177.0/24 AS5515 TS-FINLAND-DATANET-OLD TS Finland DataNet 192.70.164.0/24 AS25689 NRCNET-AS - National Research Council of Canada 192.88.99.0/24 AS1930 RCCN RCCN-NET 192.96.36.0/24 AS5713 SAIX-NET 192.96.37.0/24 AS10474 NETACTIVE 192.96.135.0/24 AS2018 TENET-1 192.96.136.0/23 AS2018 TENET-1 192.96.143.0/24 AS2018 TENET-1 192.96.145.0/24 AS2018 TENET-1 192.96.177.0/24 AS6083 POSIX-AFRICA 192.101.45.0/24 AS2905 TICSA-ASN 192.101.46.0/24 AS6503 Avantel, S.A. 192.101.47.0/24 AS6503 Avantel, S.A. 192.101.64.0/21 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 192.101.67.0/24 AS21775 192.101.70.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 192.101.71.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 192.101.72.0/24 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 192.101.73.0/24 AS4765 WORLDNET-AS World Net & Services Co., Ltd. 192.101.74.0/24 AS1239 SPRINTLINK - Sprint 192.122.212.0/24 AS209 ASN-QWEST - Qwest 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.131.233.0/24 AS7891 BELLSOUTH-NET-BLK2 - Bellsouth.Net 192.133.6.0/24 AS10282 EQUANT-CEEUR EQUANT AS for Central and Eastern Europe region 192.145.251.0/24 AS10026 ANC Asia Netcom Corporation 192.153.144.0/21 AS721 DISA-ASNBLK - DoD Network Information Center 192.188.208.0/20 AS721 DISA-ASNBLK - DoD Network Information Center 193.28.203.0/24 AS6714 ATOMNET ATOM SA 193.200.114.0/23 AS31530 SERVERCREW-AS Servercrew LTD Autonomes System 194.31.227.0/24 AS21461 TRANSFAIRNET Transfair-net GmbH Krefeld 194.246.72.0/23 AS8893 ARTFILES-AS Artfiles New Media GmbH 196.6.108.0/24 AS5713 SAIX-NET 196.10.119.0/24 AS2018 TENET-1 196.10.122.0/23 AS2018 TENET-1 196.10.251.0/24 AS2018 TENET-1 196.10.252.0/23 AS2018 TENET-1 196.10.254.0/24 AS2018 TENET-1 196.13.101.0/24 AS2018 TENET-1 196.13.102.0/23 AS2018 TENET-1 196.13.104.0/24 AS2018 TENET-1 196.13.121.0/24 AS2018 TENET-1 196.13.125.0/24 AS2018 TENET-1 196.13.126.0/24 AS2018 TENET-1 196.13.169.0/24 AS2018 TENET-1 196.13.174.0/23 AS2018 TENET-1 196.13.176.0/21 AS2018 TENET-1 196.13.188.0/22 AS2018 TENET-1 196.13.192.0/22 AS2018 TENET-1 196.13.196.0/24 AS2018 TENET-1 196.216.132.0/24 AS9207 AS9207 Taide - Kenya POP 196.216.133.0/24 AS36966 Edgenet 196.216.134.0/24 AS9207 AS9207 Taide - Kenya POP 196.216.135.0/24 AS36966 Edgenet 198.23.26.0/24 AS4390 BELLATLANTIC-COM - Bell Atlantic, Inc. 198.54.82.0/24 AS2018 TENET-1 198.54.92.0/24 AS2018 TENET-1 198.54.222.0/24 AS2018 TENET-1 198.97.72.0/21 AS721 DISA-ASNBLK - DoD Network Information Center 198.97.80.0/20 AS721 DISA-ASNBLK - DoD Network Information Center 198.97.96.0/19 AS721 DISA-ASNBLK - DoD Network Information Center 198.97.240.0/20 AS721 DISA-ASNBLK - DoD Network Information Center 198.144.96.0/20 AS12185 198.161.87.0/24 AS6539 GT-BELL - Bell Canada 198.167.0.0/16 AS7456 INTERHOP - Interhop Network SERVICES Inc. 198.168.0.0/16 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 198.169.0.0/16 AS803 SASKTEL - SaskTel 198.180.198.0/24 AS23715 SEOUL-INTGW-GXS-AP Global Exchange Services 199.9.128.0/17 AS668 ASN-ASNET-NET-AS - Defense Research and Engineering Network 199.10.0.0/16 AS721 DISA-ASNBLK - DoD Network Information Center 199.114.0.0/21 AS721 DISA-ASNBLK - DoD Network Information Center 199.114.128.0/18 AS721 DISA-ASNBLK - DoD Network Information Center 199.114.130.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.131.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.132.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.134.0/24 AS3541 ITSDN-U4 - DoD Network Information Center 199.114.136.0/24 AS27044 DDN-ASNBLK1 - DoD Network Information Center 199.114.138.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.140.0/24 AS3544 ITSDN-U7 - DoD Network Information Center 199.114.142.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.144.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.148.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center 199.114.150.0/24 AS6045 DDN-ASNBLK - 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 199.114.156.0/24 AS1733 CENTAF-SWA - AF DDN PMO 199.114.160.0/24 AS1733 CENTAF-SWA - AF DDN PMO 199.121.0.0/16 AS721 DISA-ASNBLK - DoD Network Information Center 199.123.0.0/18 AS721 DISA-ASNBLK - DoD Network Information Center 199.123.16.0/20 AS721 DISA-ASNBLK - DoD Network Information Center 199.123.80.0/21 AS721 DISA-ASNBLK - DoD Network Information Center 199.189.32.0/19 AS7332 IQUEST-AS - IQuest Internet 199.202.0.0/16 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 199.246.116.0/24 AS813 UUNET-CANADA - MCI Communications Services, Inc. d/b/a Verizon Business 202.45.132.0/22 AS24314 202.58.113.0/24 AS19161 INNOCOM-TELECOM - INNOCOM TELECOM 202.73.144.0/20 AS4788 TMNET-AS-AP TM Net, Internet Service Provider 202.86.252.0/22 AS4748 RESOLINK-AS-AP Resources Link Network Limited 202.86.253.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.254.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.86.255.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications 202.90.33.0/24 AS9830 SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS 202.90.40.0/24 AS9830 SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS 202.90.41.0/24 AS9830 SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS 202.90.42.0/24 AS9830 SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS 202.90.43.0/24 AS9830 SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS 202.90.44.0/24 AS9830 SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS 202.94.1.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.94.70.0/24 AS9837 POWERTEL-AP Powertel Ltd 202.124.195.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom 202.124.207.0/24 AS17911 BRAINPK-AS-AP Brain Telecommunication Ltd. 202.128.109.0/24 AS4802 ASN-IINET iiNet Limited 202.136.254.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.136.255.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network 202.148.32.0/20 AS17495 GATEWAY-AP BROADBAND WIRELESSS INTERNET SERVICE PROVIDER 202.164.100.0/24 AS18101 RIL-IDC Reliance Infocom Ltd Internet Data Centre, 202.181.32.0/24 AS4645 ASN-HKNET-AP HKNet Co. Ltd 202.182.32.0/22 AS10223 UECOMM-AU Uecomm Ltd 203.2.128.0/17 AS17175 NSS-UK New Skies Satellites UK AS 203.12.45.0/24 AS4854 NETSPACE-AS-AP Netspace Online Systems 203.62.0.0/17 AS7575 AARNET-AS-AP Australian Academic and Reasearch Network (AARNet) 203.78.48.0/20 AS9299 IPG-AS-AP Philippine Long Distance Telephone Company 203.89.139.0/24 AS17911 BRAINPK-AS-AP Brain Telecommunication Ltd. 203.111.192.0/20 AS7473 SINGTEL-AS-AP Singapore Telecom 203.112.97.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia 203.112.111.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.113.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.114.0/24 AS4802 ASN-IINET iiNet Limited 203.112.116.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.117.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.118.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.119.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.120.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.121.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.112.127.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd 203.128.128.0/19 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 203.128.128.0/24 AS23849 CNNIC-NET263-AP Beijing Capital-online science development Co.,Ltd. 203.148.64.0/20 AS17557 PKTELECOM-AS-AP Pakistan Telecom 203.152.136.0/23 AS23649 NEWSKIES-AS-AP New Skies Satellites, Hong Kong Teleport 203.152.138.0/23 AS23649 NEWSKIES-AS-AP New Skies Satellites, Hong Kong Teleport 203.152.142.0/24 AS23649 NEWSKIES-AS-AP New Skies Satellites, Hong Kong Teleport 203.152.143.0/24 AS23649 NEWSKIES-AS-AP New Skies Satellites, Hong Kong Teleport 203.160.110.0/23 AS7643 VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 203.160.192.0/19 AS18233 PTT-AS-AP Philippine Telegraph and Telephone Corporation, 204.13.140.0/22 AS7270 NET2PHONE - Net2Phone Corp. 204.16.120.0/23 AS12077 204.16.122.0/23 AS12077 204.19.14.0/23 AS577 BACOM - Bell Canada 204.29.196.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 204.29.197.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 204.48.58.0/24 AS4323 TWTC - Time Warner Telecom, Inc. 204.48.60.0/24 AS4323 TWTC - Time Warner Telecom, Inc. 204.153.68.0/24 AS4017 204.153.71.0/24 AS4017 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. 205.150.0.0/15 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 206.28.176.0/21 AS1273 CW Cable and Wireless plc 206.162.224.0/19 AS23464 ILCSNET - Interlink Computer Services 206.180.240.0/20 AS12083 KNOLOGY-NET - Knology Holdings 206.220.240.0/24 AS10764 STARTAP - National Center for Supercomputing Applications 206.220.240.64/26 AS22335 MREN - Metropolitan Research and Education Network 206.220.240.128/25 AS10764 STARTAP - National Center for Supercomputing Applications 206.220.240.160/30 AS10764 STARTAP - National Center for Supercomputing Applications 206.220.240.220/32 AS10764 STARTAP - National Center for Supercomputing Applications 206.220.241.0/24 AS10764 STARTAP - National Center for Supercomputing Applications 207.98.192.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 207.98.209.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 207.98.223.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 207.191.128.0/19 AS10887 BPSI-AS - BPSI Internet Services 207.204.168.0/24 AS15150 BELLTECH-AS - BELLWETHER TECHNOLOGY CORPORATION 207.204.222.0/24 AS22773 CCINET-2 - Cox Communications Inc. 207.204.248.0/24 AS6653 PRIVATEI - privateI, LLC 207.231.96.0/19 AS11194 NUNETPA - NuNet Inc. 207.254.192.0/19 AS11881 208.38.192.0/18 AS3043 AMPHIB-AS - Amphibian Media Corporation 208.38.192.0/21 AS14237 BEAMSPEED1 - Beamspeed 208.38.200.0/23 AS14237 BEAMSPEED1 - Beamspeed 208.38.202.0/24 AS14237 BEAMSPEED1 - Beamspeed 208.38.203.0/24 AS14237 BEAMSPEED1 - Beamspeed 208.38.204.0/22 AS14237 BEAMSPEED1 - Beamspeed 208.64.12.0/22 AS22773 CCINET-2 - Cox Communications Inc. 209.54.42.0/24 AS6653 PRIVATEI - privateI, LLC 209.54.93.0/24 AS22773 CCINET-2 - Cox Communications Inc. 209.54.111.0/24 AS22773 CCINET-2 - Cox Communications Inc. 209.54.123.0/24 AS6062 NETPLEX - NETPLEX 209.54.142.0/24 AS12284 IPNS-AS - Internet Professionals & Network Solutions 209.54.240.0/21 AS10887 BPSI-AS - BPSI Internet Services 209.105.224.0/19 AS20074 209.140.64.0/20 AS22307 SINGLEEDGE-AS - SingleEdge, Inc. 209.140.90.0/24 AS14461 NTSL - NET SOLUTIONS 209.140.224.0/21 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.140.234.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.140.235.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.140.236.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.140.237.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.140.238.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.140.239.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.141.4.0/24 AS6653 PRIVATEI - privateI, LLC 209.141.16.0/21 AS10573 WEBNEXUS - WebNexus Communications Inc. 209.141.48.0/22 AS14461 NTSL - NET SOLUTIONS 209.141.104.0/24 AS6653 PRIVATEI - privateI, LLC 209.145.192.0/18 AS3043 AMPHIB-AS - Amphibian Media Corporation 209.145.204.0/22 AS14237 BEAMSPEED1 - Beamspeed 209.207.24.0/24 AS21829 JADETECH-NET - Jade Technologies, Inc. 209.207.36.0/24 AS21829 JADETECH-NET - Jade Technologies, Inc. 210.5.128.0/20 AS4837 CHINA169-BACKBONE CNCGROUP China169 Backbone 213.150.192.0/21 AS29571 CITelecom-AS 213.150.200.0/22 AS29571 CITelecom-AS 213.150.201.0/24 AS29338 AFOL-AS Used by Africaonline Operations 213.150.202.0/24 AS41042 SKYVISION SkyVision Network Services 216.20.241.0/24 AS6220 ILINK - I-Link Worldwide Inc 216.20.242.0/24 AS6220 ILINK - I-Link Worldwide Inc 216.37.114.0/23 AS3549 GBLX Global Crossing Ltd. 216.37.120.0/23 AS13377 216.59.0.0/17 AS3356 LEVEL3 Level 3 Communications 216.99.16.0/24 AS6395 LVLT-6395 - Level 3 Communications, Inc. 216.99.17.0/24 AS6395 LVLT-6395 - Level 3 Communications, Inc. 216.99.20.0/24 AS6395 LVLT-6395 - Level 3 Communications, Inc. 216.162.96.0/19 AS7393 CYBERCON - CYBERCON, INC. 216.172.198.0/24 AS22773 CCINET-2 - Cox Communications Inc. 216.172.199.0/24 AS22773 CCINET-2 - Cox Communications Inc. 216.210.86.0/24 AS577 BACOM - Bell Canada 216.227.128.0/18 AS19548 ADELPHIA-AS2 - Road Runner HoldCo LLC 216.240.240.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 216.240.241.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 216.240.242.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 216.251.205.0/24 AS209 ASN-QWEST - Qwest 216.251.207.0/24 AS1239 SPRINTLINK - Sprint 217.78.71.0/24 AS12491 IPPLANET-AS IPPlanet 217.78.72.0/24 AS12491 IPPLANET-AS IPPlanet 217.78.73.0/24 AS12491 IPPLANET-AS IPPlanet Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org

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Recall: cost of dual-stack vs cost of v6-only [Re: IPv6 on SOHO routers?]
by michael.dillon＠bt.com 14 Mar '08

14 Mar '08

Dillon,M,Michael,DMK R would like to recall the message, "cost of dual-stack vs cost of v6-only [Re: IPv6 on SOHO routers?]".

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Re: Tools to measure TCP connection speed
by Wil Schultz 13 Mar '08

13 Mar '08

Son of a biscuit, they took the commands out of my 7200's and 6500's. You used to be able to just type "ttcp" and follow some prompts, I'm not sure that Cisco ever really documented much of it though. I had found it through DOTU back in the day. Quoted from Cisco about this: "Note: The ttcp command is a hidden, unsupported, privileged mode command. As such, its availability may vary from one Cisco IOS software release to another, such that it might not exist in some releases." http://www.cisco.com/warp/public/471/ttcp.html -Wil On Mar 13, 2008, at 10:28 AM, Gabor Ivanszky wrote: > Hi Wil, > > could you give me a pointer how ttcp could be used router to router? > > cheers, > Gabor > > Wil Schultz wrote: >> >> A couple of tools I use from time to time are iperf and ttcp. I'll >> run iperf on some host and either run ttcp to it from a router or >> iperf to another host. You can also run ttcp router to router. >> >> -wil >> >> >

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Re: Data Center Migration Resource
by Dennis Dayman 13 Mar '08

13 Mar '08

Wanted to thank all that replied. I am sending a few of you to my IT people for consideration. -Dennis

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RE: Customer-facing ACLs
by Scott Weeks 13 Mar '08

13 Mar '08

--- frnkblk(a)iname.com wrote: -------------------- We have a two-dozen line long ACL applied to our CMTS and BRAS blocking Windows and "virus" ports and have never had a complaint or a problem. We do have a more sophisticated residential or large-biz customers ask, but ---------------------------------------- I'd like to ask the same question of you that I just did to Chris. How'd you implement that or has it been there since the network was new? ------ frnkblk(a)iname.com wrote: ------------ From: "Frank Bulk - iNAME" <frnkblk(a)iname.com> Those ACLs were added when I came on board. Again, only one complaint in 3+ years. -------------------------------------------- Do you mean they were already there when you arrived, or do you mean you just put in ACLs after arriving? No research into traffic? No contact to customers? No elaborating to the less technical folks in the company about what was going to happen? etc... We have over 100k DSL folks and most're DHCP. I'd be afraid to do that without research into the traffic via "permit TCP NNN log" type ACLs and other methods. I believe I will take Sean D's sugestion and read MAAWG's docs. Makes me wonder, though, if we took over the Hawaii part of VZ's network and it was completely open, does that mean the rest of their network is similarly open? scott

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RE: Customer-facing ACLs
by Scott Weeks 12 Mar '08

12 Mar '08

--- frnkblk(a)iname.com wrote: -------------------- We have a two-dozen line long ACL applied to our CMTS and BRAS blocking Windows and "virus" ports and have never had a complaint or a problem. We do have a more sophisticated residential or large-biz customers ask, but ---------------------------------------- I'd like to ask the same question of you that I just did to Chris. How'd you implement that or has it been there since the network was new? scott

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Re: Customer-facing ACLs
by Scott Weeks 12 Mar '08

12 Mar '08

--- morrowc.lists(a)gmail.com wrote: uunet dialup has blocked port25 in both directions since 2002... little to no complaints. (well, they may have received complaints since I left, but... thank John StClair for the work behind that filtering actually.) ----------------------------------------- I'd be curious as to how they implememted this. Prop up ALCs and deal with the complaints as they came? If, not how was the research done as to what was legitimate tcp25 and what wasn't. For how many customers? Residential, business or both? DHCP only or static too? etc... scott

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Re: Customer-facing ACLs
by Scott Weeks 12 Mar '08

12 Mar '08

Apologies for the delay... --- sean(a)donelan.com wrote: On Mon, 10 Mar 2008, Scott Weeks wrote: > The default policy is we allow eveything. It takes no explaining. If you don't bother to explain to the same customers who you believe couldn't figure out how to change the default settings, what the risks and how to protect their computers on the Internet, is it any wonder that normal user's have such a difficult time being safe on the Internet? ------------------------------------------ Haven't you answered this in past posts on the subject? What are ISPs responsibilities and all... ----------------------------- Implementing source address verification can take years, but if you never start, you will never finish. Implementing sanity checks for IP headers can take years, but if you never start, you will never finish. Implementing unsolicited/unwanted traffic controls can take years, but if you never start, you will never finish. Do you think caller-id/call-blocking/harrassing-call-trace were easy, or rather they took years of hard work. Although the technology may change, people seem to stay the same. And people seem to be adept at doing the same stuff with new technology to other people. ----------------------------- Yes, but each situation is different and you could not imagine how spread thin some netgeeks can get. Especially in a company that doesn't understand (yet) what it is we do. You could not imagine how thin it is here, but you REALLY learn a lot in a situation like this. scott

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Customer-facing ACLs
by Justin Shore 11 Mar '08

11 Mar '08

This question will probably get lost in the Friday afternoon lull but we'll give it a try anyway. What kind of customer-facing filtering do you do (ingress and egress)? This of course is dependent on the type of customer, so lets assume we're talking about an average residential customer. Do you block SYNs destined to your customers? Do you rate-limit SYNs destined for your customers? SYNs on privileged ports? Do you block any customer-facing egress traffic at all? What about ingress? SMTP, NetBIOS, MS-SQL, common proxy ports (3128, 6588)? What ICMP types do you allow or disallow? I'm assuming everyone uses uRPF at all their edges already so that eliminates the need for specific ACEs with ingress/egress network verification checks. Do you filter anything destined to your network infrastructure on your customer-facing edges? Does anyone filter traffic destined to the PE side of a PE-CE link from the outside world? For those of you with cable networks, what all do you block with the CM? We're considering blocking NetBIOS and DHCP server traffic (DHCP server packets are already blocked at the CMTS but this would keep that junk off our infrastructure). For SMTP we permit access to our SMTP servers on tcp/25 to all our broadband users. We also permit our customers with static IPs (residential and business) to send SMTP without restrictions. After those permits we explicitly block tcp/25. This has worked fairly well for us. It sure makes it easy to find infected PCs with spambots. We don't touch tcp/587. For ICMP we permit echo, replies, packet-too-big, and time-exceeded. Everything else gets dropped. Frags are explicitly dropped before any permits. We also block common proxy ports to and from the customers (the to includes ports not always used for proxies). This has been very effective in catching a number of bots that scanned for open Squid proxies or script kiddie junk that used WinGate with the default settings. Is there a BCP for customer-facing ACLs? Justin

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Prepare for router Wednesday
by Hank Nussbacher 11 Mar '08

11 Mar '08

http://www.techworld.com/security/news/index.cfm?RSS&NewsID=11665 "Following the lead of Microsoft and Oracle, Cisco Systems will start releasing security patches for some of its products on a schedule. ... The first of these scheduled updates will occur on Wednesday, 26 March, and Cisco will continue to release patches on a twice-yearly schedule after that, Cisco said in a note posted Wednesday on its website. These firmware updates will ship on the fourth Wednesday of September and March each year." -Hank

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