BGP Update Report Interval: 16-Feb-07 -to- 01-Mar-07 (14 days) Observation Point: BGP Peering with AS4637 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 20259 1.8% 23.0 -- SIFY-AS-IN Sify Limited 2 - AS7015 15718 1.4% 4.0 -- CCCH-AS2 - Comcast Cable Communications Holdings, Inc 3 - AS702 12655 1.1% 17.7 -- AS702 MCI EMEA - Commercial IP service provider in Europe 4 - AS17974 10619 0.9% 30.3 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 5 - AS20426 10001 0.9% 10001.0 -- PWC-AS - PriceWaterhouseCoopers, LLP 6 - AS24731 9822 0.9% 577.8 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 7 - AS18809 9561 0.8% 187.5 -- Cable Onda 8 - AS12654 7739 0.7% 203.7 -- RIPE-NCC-RIS-AS RIPE NCC RIS project 9 - AS306 7421 0.7% 40.8 -- DNIC - DoD Network Information Center 10 - AS14522 7025 0.6% 52.4 -- Satnet 11 - AS25145 6562 0.6% 234.4 -- TEKNOTEL-AS tr.teknotel AS-Number 12 - AS4788 6510 0.6% 39.2 -- TMNET-AS-AP TM Net, Internet Service Provider 13 - AS5786 6383 0.6% 40.1 -- UPRENET - University of Puerto Rico 14 - AS4621 6093 0.5% 43.2 -- UNSPECIFIED UNINET-TH 15 - AS8151 6001 0.5% 8.4 -- Uninet S.A. de C.V. 16 - AS5803 5703 0.5% 63.4 -- DDN-ASNBLK - DoD Network Information Center 17 - AS11139 5657 0.5% 14.8 -- CWRIN CW BARBADOS 18 - AS4765 5638 0.5% 33.6 -- WORLDNET-AS World Net & Services Co., Ltd. 19 - AS721 5330 0.5% 11.1 -- DISA-ASNBLK - DoD Network Information Center 20 - AS4775 5198 0.5% 39.1 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS20426 10001 0.9% 10001.0 -- PWC-AS - PriceWaterhouseCoopers, LLP 2 - AS31594 3700 0.3% 3700.0 -- FORTESS-AS Fortess LLC Network 3 - AS25774 1509 0.1% 1509.0 -- CHAPMORTCORP - CHAPEL MORTGAGE 4 - AS19580 1376 0.1% 1376.0 -- ZONETEL - ZONE TELECOM, INC. 5 - AS33025 1041 0.1% 1041.0 -- QE-ASN-01 - Quinn Emanuel Urquhart Oliver & Hedges LLP 6 - AS7345 3811 0.3% 952.8 -- LUCENTTECH - Lucent Technologies Inc. 7 - AS34378 919 0.1% 919.0 -- RUG-AS Razguliay-UKRROS Group 8 - AS28746 853 0.1% 853.0 -- MSS-UK-AS Multimedia Strategic Solutions - UK 9 - AS4587 2542 0.2% 847.3 -- ONEWORLD2 - One World Internetworking, Inc 10 - AS39066 1580 0.1% 790.0 -- KREDYTBANKUA-AS Kredyt Bank (Ukraine) AS 11 - AS21391 1318 0.1% 659.0 -- TDA-AS 12 - AS9090 657 0.1% 657.0 -- OiT-AS 13 - AS3043 3161 0.3% 632.2 -- AMPHIB-AS - Amphibian Media Corporation 14 - AS22140 631 0.1% 631.0 -- T-MOBILE-AS22140 - T-Mobile USA 15 - AS31307 595 0.1% 595.0 -- YKYATIRIM YAPI KREDI YATIRIM 16 - AS24731 9822 0.9% 577.8 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 17 - AS30707 1673 0.1% 557.7 -- SICOR-US-CA-IRVINE - SICOR Pharmaceuticals, Inc. 18 - AS4271 1028 0.1% 514.0 -- WORX - Networx 19 - AS9648 498 0.0% 498.0 -- ASN-OZONLINE-AU # AS-OZONLINE-AU CONVERTED TO ASN-OZONLINE-AU FOR RPSL COMPLIANCE Australia On-Line Pty Ltd 20 - AS29098 491 0.0% 491.0 -- IPSO-AS S.C. IPSO S.A. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 155.201.48.0/21 10001 0.7% AS20426 -- PWC-AS - PriceWaterhouseCoopers, LLP 2 - 194.242.124.0/22 3700 0.3% AS31594 -- FORTESS-AS Fortess LLC Network 3 - 89.4.128.0/24 3235 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 4 - 89.4.129.0/24 3228 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 5 - 209.140.24.0/24 3134 0.2% AS3043 -- AMPHIB-AS - Amphibian Media Corporation 6 - 89.4.131.0/24 3115 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 7 - 203.177.144.0/23 2917 0.2% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 8 - 62.89.226.0/24 1987 0.1% AS20663 -- INAR-VOLOGDA-AS Autonomous System of Vologda 9 - 135.109.224.0/19 1986 0.1% AS7345 -- LUCENTTECH - Lucent Technologies Inc. 10 - 135.109.0.0/19 1812 0.1% AS7345 -- LUCENTTECH - Lucent Technologies Inc. 11 - 64.95.193.0/24 1656 0.1% AS30707 -- SICOR-US-CA-IRVINE - SICOR Pharmaceuticals, Inc. 12 - 194.42.208.0/20 1643 0.1% AS705 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 13 - 213.144.115.0/24 1626 0.1% AS25145 -- TEKNOTEL-AS tr.teknotel AS-Number 14 - 213.144.113.0/24 1623 0.1% AS25145 -- TEKNOTEL-AS tr.teknotel AS-Number 15 - 213.144.100.0/24 1597 0.1% AS25145 -- TEKNOTEL-AS tr.teknotel AS-Number 16 - 213.144.101.0/24 1595 0.1% AS25145 -- TEKNOTEL-AS tr.teknotel AS-Number 17 - 194.225.132.0/24 1583 0.1% AS6736 -- IRANET-IPM IRANET/IPM 18 - 207.106.204.0/24 1509 0.1% AS25774 -- CHAPMORTCORP - CHAPEL MORTGAGE 19 - 38.99.251.0/24 1376 0.1% AS19580 -- ZONETEL - ZONE TELECOM, INC. 20 - 216.85.83.0/24 1363 0.1% AS4323 -- TWTC - Time Warner Telecom, Inc. AS6467 -- ESPIRECOMM - Xspedius Communications Co. Details at http://bgpupdates.potaroo.net ------------------------------------ Copies of this report are mailed to: nanog@merit.edu eof-list@ripe.net apops@apops.net routing-wg@ripe.net afnog@afnog.org ausnog@ausnog.net