BGP Update Report Interval: 15-Dec-08 -to- 15-Jan-09 (32 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS35805 214406 2.2% 672.1 -- UTG-AS United Telecom AS 2 - AS4323 112810 1.2% 26.4 -- TWTC - tw telecom holdings, inc. 3 - AS6389 103744 1.1% 23.5 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 4 - AS9583 95878 1.0% 79.4 -- SIFY-AS-IN Sify Limited 5 - AS209 74340 0.8% 24.6 -- ASN-QWEST - Qwest Communications Corporation 6 - AS20115 63320 0.7% 27.3 -- CHARTER-NET-HKY-NC - Charter Communications 7 - AS8452 52999 0.5% 32.0 -- TEDATA TEDATA 8 - AS6629 52229 0.5% 791.3 -- NOAA-AS - NOAA 9 - AS1785 50271 0.5% 28.8 -- AS-PAETEC-NET - PaeTec Communications, Inc. 10 - AS17488 49922 0.5% 31.6 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 11 - AS17974 48486 0.5% 98.3 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 12 - AS24863 47884 0.5% 68.6 -- LINKdotNET-AS 13 - AS8151 42845 0.4% 29.2 -- Uninet S.A. de C.V. 14 - AS9829 41440 0.4% 48.7 -- BSNL-NIB National Internet Backbone 15 - AS4766 41431 0.4% 23.2 -- KIXS-AS-KR Korea Telecom 16 - AS2386 41095 0.4% 25.4 -- INS-AS - AT&T Data Communications Services 17 - AS6478 40622 0.4% 19.2 -- ATT-INTERNET3 - AT&T WorldNet Services 18 - AS29571 38485 0.4% 303.0 -- CITelecom-AS 19 - AS7018 38006 0.4% 25.8 -- ATT-INTERNET4 - AT&T WorldNet Services 20 - AS4755 32886 0.3% 26.8 -- TATACOMM-AS TATA Communications formerly VSNL is Leading ISP TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS30287 5861 0.1% 5861.0 -- ALON-USA - ALON USA, LP 2 - AS48129 4632 0.1% 4632.0 -- IRBIS-TELECOMMUNICATIONS-AS IRBIS Telecommunications Ltd. 3 - AS30306 16872 0.2% 3374.4 -- AfOL-Sz-AS 4 - AS32753 3310 0.0% 3310.0 -- GLOBEOP-FINANCIAL-SERVICES-NYC1 - GlobeOp Financial Services 5 - AS30969 24548 0.2% 3068.5 -- TAN-NET TransAfrica Networks 6 - AS23917 2701 0.0% 2701.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 7 - AS28194 7418 0.1% 2472.7 -- 8 - AS41007 6762 0.1% 2254.0 -- CTCASTANA CTC ASTANA, KZ 9 - AS24228 14831 0.1% 2118.7 -- BARNETWORK-AP BarNetwork Pty Limited 10 - AS32398 14970 0.1% 1871.2 -- REALNET-ASN-1 11 - AS19017 1593 0.0% 1593.0 -- QUALCOMM-QWBS-LV - Qualcomm, Inc. 12 - AS29224 2578 0.0% 1289.0 -- HELLMANN Hellmann Worldwide Logistics GmbH & Co KG 13 - AS40430 8213 0.1% 1173.3 -- COLO4JAX-AS - colo4jax, LLC 14 - AS8599 2095 0.0% 1047.5 -- Ulyanovsk State University Network 15 - AS16214 4991 0.1% 831.8 -- CERIST 16 - AS11816 14037 0.1% 825.7 -- SetarNet 17 - AS6629 52229 0.5% 791.3 -- NOAA-AS - NOAA 18 - AS5691 10773 0.1% 769.5 -- MITRE-AS-5 - The MITRE Corporation 19 - AS30095 1485 0.0% 742.5 -- AS-30095 - Group M Worldwide, Inc. 20 - AS25174 740 0.0% 740.0 -- WCOM-AS World of Communications ISP, Boryspil, TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 124.7.201.0/24 20936 0.2% AS9583 -- SIFY-AS-IN Sify Limited 2 - 210.214.151.0/24 19976 0.2% AS9583 -- SIFY-AS-IN Sify Limited 3 - 192.35.129.0/24 17099 0.2% AS6629 -- NOAA-AS - NOAA 4 - 198.77.177.0/24 16827 0.2% AS6629 -- NOAA-AS - NOAA 5 - 192.102.88.0/24 16818 0.2% AS6629 -- NOAA-AS - NOAA 6 - 41.204.2.0/24 14782 0.1% AS32398 -- REALNET-ASN-1 7 - 202.83.176.0/21 14669 0.1% AS24228 -- BARNETWORK-AP BarNetwork Pty Limited 8 - 199.2.119.0/24 13636 0.1% AS11816 -- SetarNet 9 - 196.27.104.0/21 12110 0.1% AS30969 -- TAN-NET TransAfrica Networks 10 - 196.27.108.0/22 12040 0.1% AS30969 -- TAN-NET TransAfrica Networks 11 - 192.12.120.0/24 10466 0.1% AS5691 -- MITRE-AS-5 - The MITRE Corporation 12 - 144.36.245.0/24 9451 0.1% AS21433 -- ACCENTUREFSSC Accenture London Delivery Centre 13 - 212.85.220.0/24 8303 0.1% AS30306 -- AfOL-Sz-AS 14 - 118.95.130.0/23 8287 0.1% AS9583 -- SIFY-AS-IN Sify Limited 15 - 212.85.223.0/24 8282 0.1% AS30306 -- AfOL-Sz-AS 17 - 72.23.246.0/24 7797 0.1% AS5050 -- PSC-EXT - Pittsburgh Supercomputing Center 18 - 221.135.80.0/24 7495 0.1% AS9583 -- SIFY-AS-IN Sify Limited 19 - 195.189.68.0/24 6618 0.1% AS41007 -- CTCASTANA CTC ASTANA, KZ 20 - 89.4.131.0/24 6341 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 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