BGP Update Report Interval: 22-Dec-08 -to- 22-Jan-09 (32 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS6389 90009 1.1% 20.4 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 2 - AS4323 89143 1.1% 20.8 -- TWTC - tw telecom holdings, inc. 3 - AS9583 83162 1.0% 58.2 -- SIFY-AS-IN Sify Limited 4 - AS209 64388 0.8% 22.4 -- ASN-QWEST - Qwest Communications Corporation 5 - AS35805 52833 0.6% 165.1 -- UTG-AS United Telecom AS 6 - AS6629 51646 0.6% 782.5 -- NOAA-AS - NOAA 7 - AS20115 47444 0.6% 22.5 -- CHARTER-NET-HKY-NC - Charter Communications 8 - AS17974 44557 0.5% 89.5 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 9 - AS1785 44154 0.5% 24.1 -- AS-PAETEC-NET - PaeTec Communications, Inc. 10 - AS17488 42803 0.5% 27.0 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 11 - AS7643 39218 0.5% 58.6 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 12 - AS8151 38880 0.5% 26.0 -- Uninet S.A. de C.V. 13 - AS9829 38164 0.5% 44.9 -- BSNL-NIB National Internet Backbone 14 - AS2386 35929 0.4% 22.2 -- INS-AS - AT&T Data Communications Services 15 - AS4766 35861 0.4% 20.1 -- KIXS-AS-KR Korea Telecom 16 - AS24863 35250 0.4% 58.2 -- LINKdotNET-AS 17 - AS7018 35053 0.4% 23.8 -- ATT-INTERNET4 - AT&T WorldNet Services 18 - AS6478 34949 0.4% 16.3 -- ATT-INTERNET3 - AT&T WorldNet Services 19 - AS29571 32426 0.4% 245.7 -- CITelecom-AS 20 - AS6458 29771 0.3% 65.1 -- Telgua TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS30287 5447 0.1% 5447.0 -- ALON-USA - ALON USA, LP 2 - AS48129 4827 0.1% 4827.0 -- IRBIS-TELECOMMUNICATIONS-AS IRBIS Telecommunications Ltd. 3 - AS32753 3262 0.0% 3262.0 -- GLOBEOP-FINANCIAL-SERVICES-NYC1 - GlobeOp Financial Services 4 - AS30969 23982 0.3% 2997.8 -- TAN-NET TransAfrica Networks 5 - AS30306 13872 0.2% 2774.4 -- AfOL-Sz-AS 6 - AS23917 2732 0.0% 2732.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 7 - AS28194 6990 0.1% 2330.0 -- 8 - AS41007 6124 0.1% 2041.3 -- CTCASTANA CTC ASTANA, KZ 9 - AS32398 14090 0.2% 1761.2 -- REALNET-ASN-1 10 - AS24228 12311 0.1% 1758.7 -- BARNETWORK-AP BarNetwork Pty Limited 11 - AS19017 1732 0.0% 1732.0 -- QUALCOMM-QWBS-LV - Qualcomm, Inc. 12 - AS45122 1579 0.0% 1579.0 -- JASPACE-AS-ID-AP PT. JASPACE NET 13 - AS29224 2512 0.0% 1256.0 -- HELLMANN Hellmann Worldwide Logistics GmbH & Co KG 14 - AS44265 13277 0.2% 1207.0 -- SMOLTELECOM-NET Smoltelecom Ltd AS peering 15 - AS5050 13352 0.2% 1112.7 -- PSC-EXT - Pittsburgh Supercomputing Center 16 - AS29427 2214 0.0% 1107.0 -- AZM-AS Mercury Telecom 17 - AS8599 2115 0.0% 1057.5 -- Ulyanovsk State University Network 18 - AS40430 8048 0.1% 1006.0 -- COLO4JAX-AS - colo4jax, LLC 19 - AS41685 1003 0.0% 1003.0 -- DTEK DTEK 20 - AS30095 1887 0.0% 943.5 -- AS-30095 - Group M Worldwide, Inc. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 124.7.201.0/24 20933 0.2% AS9583 -- SIFY-AS-IN Sify Limited 2 - 210.214.151.0/24 20344 0.2% AS9583 -- SIFY-AS-IN Sify Limited 3 - 192.35.129.0/24 16938 0.2% AS6629 -- NOAA-AS - NOAA 4 - 198.77.177.0/24 16738 0.2% AS6629 -- NOAA-AS - NOAA 5 - 192.102.88.0/24 16717 0.2% AS6629 -- NOAA-AS - NOAA 6 - 144.36.245.0/24 16104 0.2% AS21433 -- ACCENTUREFSSC Accenture London Delivery Centre 7 - 41.204.2.0/24 13902 0.2% AS32398 -- REALNET-ASN-1 8 - 72.23.246.0/24 13062 0.1% AS5050 -- PSC-EXT - Pittsburgh Supercomputing Center 9 - 202.83.176.0/21 12167 0.1% AS24228 -- BARNETWORK-AP BarNetwork Pty Limited 10 - 196.27.104.0/21 11715 0.1% AS30969 -- TAN-NET TransAfrica Networks 11 - 196.27.108.0/22 11641 0.1% AS30969 -- TAN-NET TransAfrica Networks 12 - 199.2.119.0/24 11350 0.1% AS11816 -- SetarNet 13 - 192.12.120.0/24 10544 0.1% AS5691 -- MITRE-AS-5 - The MITRE Corporation 15 - 64.162.116.0/24 9163 0.1% AS5033 -- ISW - Internet Specialties West Inc. 16 - 221.135.80.0/24 7675 0.1% AS9583 -- SIFY-AS-IN Sify Limited 17 - 212.85.220.0/24 6748 0.1% AS30306 -- AfOL-Sz-AS 18 - 212.85.223.0/24 6729 0.1% AS30306 -- AfOL-Sz-AS 19 - 89.4.131.0/24 6556 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 20 - 118.95.130.0/23 6391 0.1% AS9583 -- SIFY-AS-IN Sify Limited 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