BGP Update Report Interval: 19-May-08 -to- 19-Jun-08 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS15169 172069 2.6% 1274.6 -- GOOGLE - Google Inc. 2 - AS4538 146961 2.2% 29.6 -- ERX-CERNET-BKB China Education and Research Network Center 3 - AS6140 76831 1.1% 84.1 -- IMPSAT-USA - ImpSat USA, Inc. 4 - AS5691 75542 1.1% 5810.9 -- MITRE-AS-5 - The MITRE Corporation 5 - AS8866 62879 0.9% 196.5 -- BTC-AS Bulgarian Telecommunication Company Plc. 6 - AS17974 59601 0.9% 101.2 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 7 - AS9583 57591 0.9% 47.9 -- SIFY-AS-IN Sify Limited 8 - AS42787 46540 0.7% 15513.3 -- MMIP-AS MultiMedia IP Ltd. 9 - AS9198 44400 0.7% 86.7 -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration 10 - AS31003 31653 0.5% 4521.9 -- IRON-MOUNTAIN-UK-AS Iron Mountain UK Ltd 11 - AS18231 30617 0.5% 130.8 -- EXATT-AS-AP IOL NETCOM LTD 12 - AS15611 29249 0.4% 298.5 -- Iranian Research Organization for Science & Technology 13 - AS21565 29103 0.4% 159.0 -- HTCC - HTC Communications, LLC 14 - AS23966 28415 0.4% 83.3 -- DANCOM-AS-AP LINKdotNET Pakistan 15 - AS6471 27411 0.4% 65.3 -- ENTEL CHILE S.A. 16 - AS8151 26791 0.4% 21.3 -- Uninet S.A. de C.V. 17 - AS6568 25638 0.4% 226.9 -- Ag para el Desarrollo de la Sociedad de la Inf en Bolivia - ADSIB 18 - AS702 24560 0.4% 44.8 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 19 - AS14522 23373 0.3% 118.6 -- Satnet 20 - AS47212 23363 0.3% 2123.9 -- UGD-AS University "Goce Delcev" TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS17834 19962 0.3% 19962.0 -- KYOBOAUTO-AS-KR Kyobo Auto Insurance CO.,LTD 2 - AS42787 46540 0.7% 15513.3 -- MMIP-AS MultiMedia IP Ltd. 3 - AS9988 8692 0.1% 8692.0 -- MPT-AP Myanma Post and Telecommunication 4 - AS29910 6032 0.1% 6032.0 -- IACP - INTL. ASSN OF CHIEF OF POLICEI 5 - AS5691 75542 1.1% 5810.9 -- MITRE-AS-5 - The MITRE Corporation 6 - AS36384 16646 0.2% 5548.7 -- GOOGLE-IT - Google Incorporated 7 - AS38513 4617 0.1% 4617.0 -- LINTASARTA-AS-ID PT Aplikanusa Lintasarta 8 - AS31003 31653 0.5% 4521.9 -- IRON-MOUNTAIN-UK-AS Iron Mountain UK Ltd 9 - AS30287 4370 0.1% 4370.0 -- ALON-USA - ALON USA, LP 10 - AS23082 18626 0.3% 3725.2 -- MPHI - Michigan Public Health Institute 11 - AS30929 3488 0.1% 3488.0 -- HUTCB Hidrotechnical Faculty - Technical University 12 - AS13620 16292 0.2% 3258.4 -- ASN-ELAN - Elan Communications, Inc. 13 - AS39105 2822 0.0% 2822.0 -- CLASS-AS SC Class Computers And Service SRL 14 - AS38069 22372 0.3% 2485.8 -- WARIDTEL-BD-AS-AP Warid Telecom 15 - AS25250 7397 0.1% 2465.7 -- GAMTEL-AS 16 - AS25799 2404 0.0% 2404.0 -- HOLMAN - Holman Enterprises 17 - AS47212 23363 0.3% 2123.9 -- UGD-AS University "Goce Delcev" 18 - AS9747 12660 0.2% 1582.5 -- EZINTERNET-AS-AP EZInternet Pty Ltd 19 - AS26829 1566 0.0% 1566.0 -- YKK-USA - YKK USA,INC 20 - AS38165 14810 0.2% 1481.0 -- ADSNET-AS-ID PT. AMBHARA DUTA SHANTI TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.12.120.0/24 75241 1.1% AS5691 -- MITRE-AS-5 - The MITRE Corporation 2 - 193.33.184.0/23 46492 0.7% AS42787 -- MMIP-AS MultiMedia IP Ltd. 3 - 213.91.175.0/24 37383 0.5% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 4 - 193.239.114.0/24 27113 0.4% AS31003 -- IRON-MOUNTAIN-UK-AS Iron Mountain UK Ltd 5 - 221.128.192.0/18 26773 0.4% AS18231 -- EXATT-AS-AP IOL NETCOM LTD 6 - 84.23.102.0/24 22216 0.3% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) AS34400 -- ASN-ETTIHADETISALAT Etihad Etisalat 7 - 221.135.230.0/23 21489 0.3% AS9583 -- SIFY-AS-IN Sify Limited 8 - 210.92.148.0/24 19962 0.3% AS17834 -- KYOBOAUTO-AS-KR Kyobo Auto Insurance CO.,LTD 9 - 83.228.71.0/24 16059 0.2% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. AS8953 -- ASN-ORANGE-ROMANIA Orange Romania Autonomous System Number 10 - 24.121.123.0/24 13805 0.2% AS25994 -- NPG-001 - NPG Cable, INC 11 - 203.63.26.0/24 12646 0.2% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 12 - 210.214.88.0/23 9425 0.1% AS9583 -- SIFY-AS-IN Sify Limited 13 - 203.81.64.0/19 8692 0.1% AS9988 -- MPT-AP Myanma Post and Telecommunication 14 - 192.166.49.0/24 7903 0.1% AS3320 -- DTAG Deutsche Telekom AG 15 - 125.23.208.0/20 7093 0.1% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 16 - 203.101.87.0/24 6291 0.1% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 17 - 208.83.117.0/24 6178 0.1% AS23082 -- MPHI - Michigan Public Health Institute 18 - 208.83.118.0/24 6164 0.1% AS23082 -- MPHI - Michigan Public Health Institute 19 - 208.83.119.0/24 6151 0.1% AS23082 -- MPHI - Michigan Public Health Institute 20 - 149.117.166.0/24 6117 0.1% AS701 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 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