BGP Update Report Interval: 02-Jun-08 -to- 03-Jul-08 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS4766 297296 3.7% 227.3 -- KIXS-AS-KR Korea Telecom 2 - AS4538 231223 2.9% 46.5 -- ERX-CERNET-BKB China Education and Research Network Center 3 - AS8866 84379 1.0% 263.7 -- BTC-AS Bulgarian Telecommunication Company Plc. 4 - AS9583 79835 1.0% 65.5 -- SIFY-AS-IN Sify Limited 5 - AS5691 73249 0.9% 5634.5 -- MITRE-AS-5 - The MITRE Corporation 6 - AS17974 65331 0.8% 89.1 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 7 - AS6140 56377 0.7% 118.4 -- IMPSAT-USA - ImpSat USA, Inc. 8 - AS17488 50987 0.6% 39.9 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 9 - AS13620 40124 0.5% 8024.8 -- ASN-ELAN - Elan Communications, Inc. 10 - AS25994 37065 0.5% 261.0 -- NPG-001 - NPG Cable, INC 11 - AS9498 36863 0.5% 30.1 -- BBIL-AP BHARTI BT INTERNET LTD. 12 - AS18231 36126 0.5% 150.5 -- EXATT-AS-AP IOL NETCOM LTD 13 - AS577 32003 0.4% 70.6 -- BACOM - Bell Canada 14 - AS2386 30829 0.4% 20.3 -- INS-AS - AT&T Data Communications Services 15 - AS6471 30654 0.4% 73.9 -- ENTEL CHILE S.A. 16 - AS20115 30000 0.4% 28.5 -- CHARTER-NET-HKY-NC - Charter Communications 17 - AS8151 29212 0.4% 22.5 -- Uninet S.A. de C.V. 18 - AS21565 27633 0.3% 151.0 -- HTCC - HTC Communications, LLC 19 - AS209 27530 0.3% 8.9 -- ASN-QWEST - Qwest 20 - AS42787 27012 0.3% 9004.0 -- MMIP-AS MultiMedia IP Ltd. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS42787 27012 0.3% 9004.0 -- MMIP-AS MultiMedia IP Ltd. 2 - AS13620 40124 0.5% 8024.8 -- ASN-ELAN - Elan Communications, Inc. 3 - AS29910 6921 0.1% 6921.0 -- IACP - INTL. ASSN OF CHIEF OF POLICEI 4 - AS5691 73249 0.9% 5634.5 -- MITRE-AS-5 - The MITRE Corporation 5 - AS38513 4386 0.1% 4386.0 -- LINTASARTA-AS-ID PT Aplikanusa Lintasarta 6 - AS9988 7843 0.1% 3921.5 -- MPT-AP Myanma Post and Telecommunication 7 - AS23082 19511 0.2% 3902.2 -- MPHI - Michigan Public Health Institute 8 - AS25250 11097 0.1% 3699.0 -- GAMTEL-AS 9 - AS40831 7375 0.1% 3687.5 -- ROBERTSDYBDAHL - Roberts & Dybdahl Inc. 10 - AS40256 11604 0.1% 2901.0 -- ACS-HCMS-ASN - Affiliated Computer Services, Inc. 11 - AS30929 2649 0.0% 2649.0 -- HUTCB Hidrotechnical Faculty - Technical University 12 - AS30287 2568 0.0% 2568.0 -- ALON-USA - ALON USA, LP 13 - AS38069 21474 0.3% 2386.0 -- WARIDTEL-BD-AS-AP Warid Telecom 14 - AS32133 2377 0.0% 2377.0 -- JOHNSTONE-SUPPLY - Atwater Supply dba Johnstone Supply 15 - AS39105 2291 0.0% 2291.0 -- CLASS-AS SC Class Computers And Service SRL 16 - AS31003 15218 0.2% 2174.0 -- IRON-MOUNTAIN-UK-AS Iron Mountain UK Ltd 17 - AS25799 1705 0.0% 1705.0 -- HOLMAN - Holman Enterprises 18 - AS9747 13472 0.2% 1684.0 -- EZINTERNET-AS-AP EZInternet Pty Ltd 19 - AS35155 1671 0.0% 1671.0 -- VERBASOFT-AS Verbasoft ASN 20 - AS17834 1526 0.0% 1526.0 -- KYOBOAUTO-AS-KR Kyobo Auto Insurance CO.,LTD TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.12.120.0/24 73113 0.8% AS5691 -- MITRE-AS-5 - The MITRE Corporation 2 - 213.91.175.0/24 41565 0.5% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 3 - 83.228.71.0/24 34679 0.4% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. AS8953 -- ASN-ORANGE-ROMANIA Orange Romania Autonomous System Number 4 - 24.121.123.0/24 32800 0.4% AS25994 -- NPG-001 - NPG Cable, INC 5 - 193.33.184.0/23 26936 0.3% AS42787 -- MMIP-AS MultiMedia IP Ltd. 6 - 221.128.192.0/18 25555 0.3% AS18231 -- EXATT-AS-AP IOL NETCOM LTD 7 - 221.134.222.0/24 19569 0.2% AS9583 -- SIFY-AS-IN Sify Limited 8 - 203.63.26.0/24 13451 0.2% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 9 - 193.239.114.0/24 12847 0.1% AS31003 -- IRON-MOUNTAIN-UK-AS Iron Mountain UK Ltd 10 - 210.214.128.0/23 10979 0.1% AS9583 -- SIFY-AS-IN Sify Limited 11 - 221.135.230.0/23 10382 0.1% AS9583 -- SIFY-AS-IN Sify Limited 12 - 84.23.102.0/24 9990 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) AS34400 -- ASN-ETTIHADETISALAT Etihad Etisalat 13 - 81.21.104.0/24 9757 0.1% AS31065 -- MCIT 14 - 210.214.88.0/23 9417 0.1% AS9583 -- SIFY-AS-IN Sify Limited 15 - 64.68.1.0/24 8059 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 16 - 64.68.0.0/24 8056 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 17 - 64.68.9.0/24 8052 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 18 - 64.68.3.0/24 8027 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 19 - 216.151.192.0/19 7930 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 20 - 192.166.49.0/24 7908 0.1% AS3320 -- DTAG Deutsche Telekom AG 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