BGP Update Report Interval: 26-Jan-07 -to- 08-Feb-07 (14 days) Observation Point: BGP Peering with AS4637 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS701 35249 1.4% 36.3 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 2 - AS28751 28943 1.1% 120.1 -- CAUCASUS-NET-AS Caucasus Network Tbilisi, Georgia 3 - AS702 27116 1.1% 37.8 -- AS702 MCI EMEA - Commercial IP service provider in Europe 4 - AS8151 24366 0.9% 24.1 -- Uninet S.A. de C.V. 5 - AS17974 17707 0.7% 33.7 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 6 - AS3561 16509 0.6% 33.8 -- SAVVIS - Savvis 7 - AS4788 15563 0.6% 8.4 -- TMNET-AS-AP TM Net, Internet Service Provider 8 - AS705 14460 0.6% 29.3 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 9 - AS11830 13316 0.5% 27.6 -- Instituto Costarricense de Electricidad y Telecom. 10 - AS9583 12377 0.5% 11.7 -- SIFY-AS-IN Sify Limited 11 - AS17488 12262 0.5% 20.4 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 12 - AS6197 12009 0.5% 11.7 -- BATI-ATL - BellSouth Network Solutions, Inc 13 - AS4323 11878 0.5% 11.0 -- TWTC - Time Warner Telecom, Inc. 14 - AS30890 11812 0.5% 54.4 -- EVOLVA Evolva Telecom 15 - AS9498 11676 0.5% 12.3 -- BBIL-AP BHARTI BT INTERNET LTD. 16 - AS7545 11558 0.5% 20.9 -- TPG-INTERNET-AP TPG Internet Pty Ltd 17 - AS3301 11416 0.4% 37.1 -- TELIANET-SWEDEN TeliaNet Sweden 18 - AS11486 10609 0.4% 37.8 -- WAN - Worldcom Advance Networks 19 - AS4621 10476 0.4% 77.6 -- UNSPECIFIED UNINET-TH 20 - AS2914 10444 0.4% 45.8 -- NTT-COMMUNICATIONS-2914 - NTT America, Inc. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS31594 4356 0.2% 4356.0 -- FORTESS-AS Fortess LLC Network 2 - AS15774 2837 0.1% 2837.0 -- MEDIANAT LLC "MEDIANAT", ISP primarily for educational institution 3 - AS35489 2692 0.1% 2692.0 -- TOTO-TECH-AS Toto Ltd. 4 - AS31624 8287 0.3% 1657.4 -- VFMNL-AS Verza Facility Management BV 5 - AS38151 1605 0.1% 1605.0 -- ENUM-AS-ID APJII-RD 6 - AS33447 1243 0.1% 1243.0 -- RPTCO-ASN-1 - RPT Consulting, Inc. 7 - AS32131 1203 0.1% 1203.0 -- AS-PCML - Penso Capital Markets, LLC 8 - AS27407 1024 0.0% 1024.0 -- FRISCHS-INC - Frisch's Restaurants, Inc. 9 - AS27814 995 0.0% 995.0 -- Aeprovi 10 - AS34378 969 0.0% 969.0 -- RUG-AS Razguliay-UKRROS Group 11 - AS3727 944 0.0% 944.0 -- SHRUBB - Shrubbery Networks 12 - AS31307 908 0.0% 908.0 -- YKYATIRIM YAPI KREDI YATIRIM 13 - AS4587 2395 0.1% 798.3 -- ONEWORLD2 - One World Internetworking, Inc 14 - AS17645 7759 0.3% 775.9 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 15 - AS20426 3025 0.1% 756.2 -- PWC-AS - PriceWaterhouseCoopers, LLP 16 - AS29630 640 0.0% 640.0 -- AZRENA-AS Azerbaijan Research and Educational Networking 17 - AS20050 1223 0.1% 611.5 -- SPPINTERNET01 - Southwest Power Pool 18 - AS3043 3013 0.1% 602.6 -- AMPHIB-AS - Amphibian Media Corporation 19 - AS30355 595 0.0% 595.0 -- PATRIOT-COMMUNICATIONS - PATRIOT COMMUNICATIONS 20 - AS30707 1615 0.1% 538.3 -- SICOR-US-CA-IRVINE - SICOR Pharmaceuticals, Inc. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 194.242.124.0/22 4356 0.1% AS31594 -- FORTESS-AS Fortess LLC Network 2 - 89.4.128.0/24 3221 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 3 - 216.32.206.0/24 3169 0.1% AS20473 -- AS-CHOOPA - Choopa, LLC 4 - 89.4.129.0/24 3111 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 5 - 155.201.48.0/21 3010 0.1% AS20426 -- PWC-AS - PriceWaterhouseCoopers, LLP 6 - 209.140.24.0/24 2966 0.1% AS3043 -- AMPHIB-AS - Amphibian Media Corporation 7 - 62.68.143.0/24 2837 0.1% AS15774 -- MEDIANAT LLC "MEDIANAT", ISP primarily for educational institution 8 - 62.213.176.0/23 2692 0.1% AS35489 -- TOTO-TECH-AS Toto Ltd. 9 - 89.4.131.0/24 2685 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 10 - 61.0.0.0/8 2220 0.1% AS4678 -- FINE CANON NETWORK COMMUNICATIONS INC. 11 - 83.223.32.0/23 1993 0.1% AS31624 -- VFMNL-AS Verza Facility Management BV 12 - 83.223.38.0/23 1993 0.1% AS31624 -- VFMNL-AS Verza Facility Management BV 13 - 83.223.36.0/23 1993 0.1% AS31624 -- VFMNL-AS Verza Facility Management BV 14 - 83.223.40.0/23 1993 0.1% AS31624 -- VFMNL-AS Verza Facility Management BV 15 - 194.42.208.0/20 1891 0.1% AS705 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 16 - 203.177.144.0/23 1667 0.1% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 17 - 202.136.172.0/22 1605 0.1% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 18 - 202.136.180.0/23 1605 0.1% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 19 - 203.119.54.0/24 1605 0.1% AS38151 -- ENUM-AS-ID APJII-RD 20 - 58.65.2.0/23 1551 0.1% AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD 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