BGP Update Report Interval: 30-Jun-08 -to- 31-Jul-08 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 122069 1.8% 98.8 -- SIFY-AS-IN Sify Limited 2 - AS4538 112661 1.6% 22.5 -- ERX-CERNET-BKB China Education and Research Network Center 3 - AS17488 80816 1.2% 60.0 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 4 - AS5691 73841 1.1% 5680.1 -- MITRE-AS-5 - The MITRE Corporation 5 - AS1803 68104 1.0% 54.4 -- ICMNET-5 - Sprint 6 - AS6298 57728 0.8% 31.3 -- COX-PHX - Cox Communications Inc. 7 - AS10396 56155 0.8% 1039.9 -- COQUI-NET - DATACOM CARIBE, INC. 8 - AS7738 53571 0.8% 173.9 -- Telecomunicacoes da Bahia S.A. 9 - AS9051 52726 0.8% 323.5 -- IDM Autonomous System 10 - AS4766 50485 0.7% 57.0 -- KIXS-AS-KR Korea Telecom 11 - AS8866 47434 0.7% 148.2 -- BTC-AS Bulgarian Telecommunication Company Plc. 12 - AS17974 47379 0.7% 64.5 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 13 - AS33783 43181 0.6% 261.7 -- EEPAD 14 - AS4788 40747 0.6% 19.0 -- TMNET-AS-AP TM Net, Internet Service Provider 15 - AS306 40457 0.6% 235.2 -- DNIC - DoD Network Information Center 16 - AS12455 39791 0.6% 523.6 -- JAMBONET 17 - AS8151 37280 0.5% 25.9 -- Uninet S.A. de C.V. 18 - AS3464 34641 0.5% 92.1 -- ASC-NET - Alabama Supercomputer Network 19 - AS9929 33311 0.5% 105.7 -- CNCNET-CN China Netcom Corp. 20 - AS9394 32523 0.5% 21.3 -- CRNET CHINA RAILWAY Internet(CRNET) TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS47467 26561 0.4% 13280.5 -- GRIFFEL Griffel AB 2 - AS27245 14477 0.2% 7238.5 -- HEIDRICK-CHICAGO - HEIDRICK 3 - AS30850 12500 0.2% 6250.0 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 4 - AS5691 73841 1.1% 5680.1 -- MITRE-AS-5 - The MITRE Corporation 5 - AS29910 5222 0.1% 5222.0 -- IACP - INTL. ASSN OF CHIEF OF POLICEI 6 - AS39105 5002 0.1% 5002.0 -- CLASS-AS SC Class Computers And Service SRL 7 - AS44656 4902 0.1% 4902.0 -- HOLOSFIND-ROMANIA HOLOSFIND SRL 8 - AS22678 3945 0.1% 3945.0 -- OSDE 9 - AS23082 18507 0.3% 3701.4 -- MPHI - Michigan Public Health Institute 10 - AS28361 3311 0.1% 3311.0 -- 11 - AS44194 3261 0.1% 3261.0 -- FREIFUNK-BERLIN-AS Freifunk Berlin 12 - AS27786 2845 0.0% 2845.0 -- SSA SISTEMAS S.A. 13 - AS40627 4082 0.1% 2041.0 -- RC-COLO1 - RingCentral Inc 14 - AS5382 2033 0.0% 2033.0 -- TELESYSTEM-NET Planet Service Srl 15 - AS38513 1995 0.0% 1995.0 -- LINTASARTA-AS-ID PT Aplikanusa Lintasarta 16 - AS36988 5752 0.1% 1917.3 -- MILLICOM-SL 17 - AS28542 1751 0.0% 1751.0 -- Gobierno del Estado de Coahuila 18 - AS30560 16921 0.2% 1692.1 -- GE-MS001 - General Electric Company 19 - AS36966 1672 0.0% 1672.0 -- Edgenet 20 - AS40256 6549 0.1% 1637.2 -- ACS-HCMS-ASN - Affiliated Computer Services, Inc. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.12.120.0/24 73669 1.0% AS5691 -- MITRE-AS-5 - The MITRE Corporation 2 - 221.134.222.0/24 63345 0.8% AS9583 -- SIFY-AS-IN Sify Limited 3 - 194.126.143.0/24 42847 0.6% AS9051 -- IDM Autonomous System 4 - 83.228.71.0/24 38724 0.5% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 5 - 221.128.192.0/18 25021 0.3% AS18231 -- EXATT-AS-AP IOL NETCOM LTD 6 - 210.214.128.0/23 19650 0.3% AS9583 -- SIFY-AS-IN Sify Limited 7 - 210.214.144.0/24 17053 0.2% AS9583 -- SIFY-AS-IN Sify Limited 8 - 72.50.96.0/20 14955 0.2% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 9 - 63.84.91.0/24 13583 0.2% AS27245 -- HEIDRICK-CHICAGO - HEIDRICK 10 - 62.182.216.0/21 13292 0.2% AS35706 -- NAO Net at Once AS47467 -- GRIFFEL Griffel AB 11 - 91.203.160.0/22 13283 0.2% AS35706 -- NAO Net at Once AS47467 -- GRIFFEL Griffel AB 12 - 195.47.233.0/24 12480 0.2% AS30850 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 13 - 203.63.26.0/24 10716 0.1% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 14 - 196.42.0.0/20 9406 0.1% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 15 - 196.42.48.0/20 9360 0.1% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 16 - 216.255.56.0/21 9293 0.1% AS7106 -- OHIOBRIGHTNET - Com Net, Inc. 17 - 72.50.112.0/20 9263 0.1% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 18 - 202.150.80.0/20 8762 0.1% AS9251 -- SPEEDNET-AP PT Speed Internet Digital 19 - 210.214.26.0/24 6969 0.1% AS9583 -- SIFY-AS-IN Sify Limited 20 - 81.21.104.0/24 6805 0.1% AS31065 -- MCIT AS5536 -- Internet-Egypt 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