BGP Update Report Interval: 19-Jan-09 -to- 19-Feb-09 (32 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 252388 5.4% 168.9 -- SIFY-AS-IN Sify Limited 2 - AS7643 167194 3.6% 278.2 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT) 3 - AS30890 52239 1.1% 117.4 -- EVOLVA Evolva Telecom 4 - AS6629 48437 1.0% 745.2 -- NOAA-AS - NOAA 5 - AS35805 35061 0.8% 93.0 -- UTG-AS United Telecom AS 6 - AS17974 33362 0.7% 66.2 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 7 - AS6458 30697 0.7% 66.0 -- Telgua 8 - AS27757 30429 0.7% 245.4 -- ANDINATEL S.A. 9 - AS30306 28205 0.6% 7051.2 -- AfOL-Sz-AS 10 - AS12500 26532 0.6% 6633.0 -- RCS-AS RCS Autonomus System 11 - AS5050 24213 0.5% 410.4 -- PSC-EXT - Pittsburgh Supercomputing Center 12 - AS30969 23596 0.5% 2949.5 -- TAN-NET TransAfrica Networks 13 - AS16559 22991 0.5% 2554.6 -- REALCONNECT-01 - RealConnect, Inc 14 - AS5056 21623 0.5% 186.4 -- INS-NET-2 - Iowa Network Services 15 - AS8452 21514 0.5% 14.6 -- TEDATA TEDATA 16 - AS14420 21438 0.5% 87.9 -- ANDINATEL S.A. 17 - AS20115 21021 0.5% 10.2 -- CHARTER-NET-HKY-NC - Charter Communications 18 - AS17488 20962 0.5% 13.6 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 19 - AS8151 20618 0.4% 13.8 -- Uninet S.A. de C.V. 20 - AS6389 20014 0.4% 4.5 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS30287 9318 0.2% 9318.0 -- ALON-USA - ALON USA, LP 2 - AS30306 28205 0.6% 7051.2 -- AfOL-Sz-AS 3 - AS12500 26532 0.6% 6633.0 -- RCS-AS RCS Autonomus System 4 - AS41382 3018 0.1% 3018.0 -- TELEPORT-AS Teleport LLC Network AS 5 - AS30969 23596 0.5% 2949.5 -- TAN-NET TransAfrica Networks 6 - AS19017 2689 0.1% 2689.0 -- QUALCOMM-QWBS-LV - Qualcomm, Inc. 7 - AS16559 22991 0.5% 2554.6 -- REALCONNECT-01 - RealConnect, Inc 8 - AS28194 7260 0.2% 2420.0 -- 9 - AS10806 6265 0.1% 2088.3 -- AFP-NET - AGENCE FRANCE PRESSE 10 - AS5033 14564 0.3% 1618.2 -- ISW - Internet Specialties West Inc. 11 - AS23917 1613 0.0% 1613.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane 12 - AS25970 7560 0.2% 1260.0 -- IAC - IAC Services LLC 13 - AS32398 11274 0.2% 1252.7 -- REALNET-ASN-1 14 - AS35335 1167 0.0% 1167.0 -- ESSTU-AS East-Siberian State Technological University AS 15 - AS29224 2154 0.1% 1077.0 -- HELLMANN Hellmann Worldwide Logistics GmbH & Co KG 16 - AS44265 11231 0.2% 1021.0 -- SMOLTELECOM-NET Smoltelecom Ltd AS peering 17 - AS29427 2025 0.0% 1012.5 -- AZM-AS Mercury Telecom 18 - AS41685 1004 0.0% 1004.0 -- DTEK DTEK 19 - AS30095 1964 0.0% 982.0 -- AS-30095 - Group M Worldwide, Inc. 20 - AS46328 8611 0.2% 956.8 -- PTCNEBRASKA - PIERCE TELEPHONE COMPANY, INCORPORATED TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 72.23.246.0/24 23982 0.5% AS5050 -- PSC-EXT - Pittsburgh Supercomputing Center 2 - 221.134.32.0/24 23761 0.5% AS9583 -- SIFY-AS-IN Sify Limited 3 - 190.152.103.0/24 17617 0.3% AS27757 -- ANDINATEL S.A. 4 - 192.35.129.0/24 16220 0.3% AS6629 -- NOAA-AS - NOAA 5 - 192.102.88.0/24 16080 0.3% AS6629 -- NOAA-AS - NOAA 6 - 198.77.177.0/24 15939 0.3% AS6629 -- NOAA-AS - NOAA 7 - 221.135.107.0/24 15250 0.3% AS9583 -- SIFY-AS-IN Sify Limited 8 - 210.214.177.0/24 15104 0.3% AS9583 -- SIFY-AS-IN Sify Limited 9 - 210.214.146.0/24 14974 0.3% AS9583 -- SIFY-AS-IN Sify Limited 10 - 210.214.222.0/24 14862 0.3% AS9583 -- SIFY-AS-IN Sify Limited 11 - 210.214.232.0/24 14844 0.3% AS9583 -- SIFY-AS-IN Sify Limited 12 - 210.214.132.0/24 14821 0.3% AS9583 -- SIFY-AS-IN Sify Limited 13 - 210.214.117.0/24 14773 0.3% AS9583 -- SIFY-AS-IN Sify Limited 14 - 64.162.116.0/24 14428 0.3% AS5033 -- ISW - Internet Specialties West Inc. 15 - 212.85.223.0/24 14010 0.3% AS30306 -- AfOL-Sz-AS 16 - 212.85.220.0/24 13975 0.3% AS30306 -- AfOL-Sz-AS 17 - 210.214.184.0/24 13450 0.3% AS9583 -- SIFY-AS-IN Sify Limited 18 - 210.18.10.0/24 13306 0.3% AS9583 -- SIFY-AS-IN Sify Limited 19 - 210.210.127.0/24 13025 0.3% AS9583 -- SIFY-AS-IN Sify Limited 20 - 66.63.32.0/19 12603 0.2% AS16559 -- REALCONNECT-01 - RealConnect, Inc 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