BGP Update Report Interval: 09-Jun-08 -to- 10-Jul-08 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS4538 224108 2.9% 45.0 -- ERX-CERNET-BKB China Education and Research Network Center 2 - AS9583 102498 1.3% 84.2 -- SIFY-AS-IN Sify Limited 3 - AS8866 80995 1.1% 253.1 -- BTC-AS Bulgarian Telecommunication Company Plc. 4 - AS4766 74589 1.0% 56.7 -- KIXS-AS-KR Korea Telecom 5 - AS5691 72431 0.9% 5571.6 -- MITRE-AS-5 - The MITRE Corporation 6 - AS17974 58035 0.8% 79.3 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 7 - AS17488 46123 0.6% 36.0 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 8 - AS13620 40129 0.5% 8025.8 -- ASN-ELAN - Elan Communications, Inc. 9 - AS12455 37752 0.5% 618.9 -- JAMBONET 10 - AS25994 37171 0.5% 261.8 -- NPG-001 - NPG Cable, INC 11 - AS18231 36125 0.5% 149.3 -- EXATT-AS-AP IOL NETCOM LTD 12 - AS9498 33025 0.4% 26.7 -- BBIL-AP BHARTI BT INTERNET LTD. 13 - AS8151 32976 0.4% 23.6 -- Uninet S.A. de C.V. 14 - AS577 31578 0.4% 71.8 -- BACOM - Bell Canada 15 - AS5803 30106 0.4% 160.1 -- DDN-ASNBLK - DoD Network Information Center 16 - AS6471 29612 0.4% 71.0 -- ENTEL CHILE S.A. 17 - AS306 29516 0.4% 162.2 -- DNIC - DoD Network Information Center 18 - AS21565 29108 0.4% 158.2 -- HTCC - HTC Communications, LLC 19 - AS702 28539 0.4% 51.9 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 20 - AS209 28462 0.4% 9.2 -- ASN-QWEST - Qwest TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS13620 40129 0.5% 8025.8 -- ASN-ELAN - Elan Communications, Inc. 2 - AS29910 5937 0.1% 5937.0 -- IACP - INTL. ASSN OF CHIEF OF POLICEI 3 - AS5691 72431 0.9% 5571.6 -- MITRE-AS-5 - The MITRE Corporation 4 - AS42787 15835 0.2% 5278.3 -- MMIP-AS MultiMedia IP Ltd. 5 - AS44656 4197 0.1% 4197.0 -- HOLOSFIND-ROMANIA HOLOSFIND SRL 6 - AS38513 4128 0.1% 4128.0 -- LINTASARTA-AS-ID PT Aplikanusa Lintasarta 7 - AS23082 18732 0.2% 3746.4 -- MPHI - Michigan Public Health Institute 8 - AS40831 7375 0.1% 3687.5 -- ROBERTSDYBDAHL - Roberts & Dybdahl Inc. 9 - AS40256 13045 0.2% 3261.2 -- ACS-HCMS-ASN - Affiliated Computer Services, Inc. 10 - AS28646 2920 0.0% 2920.0 -- Confederacao Interestadual das Cooperativas Ligadas ao Sicredi 11 - AS27786 2873 0.0% 2873.0 -- SSA SISTEMAS S.A. 12 - AS30850 5226 0.1% 2613.0 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 13 - AS32133 2383 0.0% 2383.0 -- JOHNSTONE-SUPPLY - Atwater Supply dba Johnstone Supply 14 - AS25250 6891 0.1% 2297.0 -- GAMTEL-AS 15 - AS27245 4347 0.1% 2173.5 -- HEIDRICK-CHICAGO - HEIDRICK 16 - AS30929 1937 0.0% 1937.0 -- HUTCB Hidrotechnical Faculty - Technical University 17 - AS38069 17128 0.2% 1903.1 -- WARIDTEL-BD-AS-AP Warid Telecom 18 - AS39105 1829 0.0% 1829.0 -- CLASS-AS SC Class Computers And Service SRL 19 - AS30560 17123 0.2% 1712.3 -- GE-MS001 - General Electric Company 20 - AS38180 1606 0.0% 1606.0 -- ETPI-IDS-JOLLIBEE-AS-AP 6/Fth floor JOLLIBEE PLAZA, Emerald Ave. Ortigas Center Pasig City. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.12.120.0/24 72317 0.9% AS5691 -- MITRE-AS-5 - The MITRE Corporation 2 - 83.228.71.0/24 42747 0.5% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. AS8953 -- ASN-ORANGE-ROMANIA Orange Romania Autonomous System Number 3 - 221.134.222.0/24 33051 0.4% AS9583 -- SIFY-AS-IN Sify Limited 4 - 24.121.123.0/24 32800 0.4% AS25994 -- NPG-001 - NPG Cable, INC 5 - 213.91.175.0/24 31192 0.4% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 6 - 221.128.192.0/18 25170 0.3% AS18231 -- EXATT-AS-AP IOL NETCOM LTD 7 - 210.214.128.0/23 19069 0.2% AS9583 -- SIFY-AS-IN Sify Limited 8 - 193.33.184.0/23 15761 0.2% AS42787 -- MMIP-AS MultiMedia IP Ltd. 9 - 203.63.26.0/24 11304 0.1% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 10 - 81.21.104.0/24 9755 0.1% AS31065 -- MCIT 11 - 210.214.144.0/24 9508 0.1% AS9583 -- SIFY-AS-IN Sify Limited 12 - 216.255.56.0/21 8825 0.1% AS7106 -- OHIOBRIGHTNET - Com Net, Inc. 13 - 64.68.1.0/24 8060 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 14 - 64.68.0.0/24 8057 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 15 - 64.68.9.0/24 8053 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 16 - 64.68.3.0/24 8028 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 17 - 216.151.192.0/19 7931 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 18 - 192.166.49.0/24 7910 0.1% AS3320 -- DTAG Deutsche Telekom AG 19 - 210.214.26.0/24 6994 0.1% AS9583 -- SIFY-AS-IN Sify Limited 20 - 203.101.87.0/24 6427 0.1% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 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