BGP Update Report Interval: 23-Jun-08 -to- 24-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 209277 2.9% 41.8 -- ERX-CERNET-BKB China Education and Research Network Center 2 - AS9583 128490 1.8% 102.0 -- SIFY-AS-IN Sify Limited 3 - AS17488 89755 1.2% 67.8 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 4 - AS5691 72923 1.0% 5609.5 -- MITRE-AS-5 - The MITRE Corporation 5 - AS8866 54412 0.8% 170.0 -- BTC-AS Bulgarian Telecommunication Company Plc. 6 - AS1803 53745 0.8% 42.6 -- ICMNET-5 - Sprint 7 - AS7738 51681 0.7% 167.8 -- Telecomunicacoes da Bahia S.A. 8 - AS10396 50605 0.7% 272.1 -- COQUI-NET - DATACOM CARIBE, INC. 9 - AS4766 47226 0.7% 35.9 -- KIXS-AS-KR Korea Telecom 10 - AS17974 43642 0.6% 59.5 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 11 - AS4788 41901 0.6% 19.6 -- TMNET-AS-AP TM Net, Internet Service Provider 12 - AS12455 39692 0.6% 583.7 -- JAMBONET 13 - AS8151 38201 0.5% 27.1 -- Uninet S.A. de C.V. 14 - AS306 37889 0.5% 220.3 -- DNIC - DoD Network Information Center 15 - AS9051 37763 0.5% 231.7 -- IDM Autonomous System 16 - AS702 32637 0.5% 59.1 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 17 - AS18231 32313 0.5% 133.5 -- EXATT-AS-AP IOL NETCOM LTD 18 - AS9394 29087 0.4% 19.0 -- CRNET CHINA RAILWAY Internet(CRNET) 19 - AS5803 28826 0.4% 170.6 -- DDN-ASNBLK - DoD Network Information Center 20 - AS1790 27067 0.4% 229.4 -- Sprint US TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS30850 12519 0.2% 6259.5 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 2 - AS5691 72923 1.0% 5609.5 -- MITRE-AS-5 - The MITRE Corporation 3 - AS27245 10820 0.1% 5410.0 -- HEIDRICK-CHICAGO - HEIDRICK 4 - AS39105 4935 0.1% 4935.0 -- CLASS-AS SC Class Computers And Service SRL 5 - AS44656 4919 0.1% 4919.0 -- HOLOSFIND-ROMANIA HOLOSFIND SRL 6 - AS28361 4732 0.1% 4732.0 -- 7 - AS29910 4640 0.1% 4640.0 -- IACP - INTL. ASSN OF CHIEF OF POLICEI 8 - AS13620 22377 0.3% 4475.4 -- ASN-ELAN - Elan Communications, Inc. 9 - AS22678 3946 0.1% 3946.0 -- OSDE 10 - AS23082 19177 0.3% 3835.4 -- MPHI - Michigan Public Health Institute 11 - AS44194 3526 0.1% 3526.0 -- FREIFUNK-BERLIN-AS Freifunk Berlin 12 - AS27786 2623 0.0% 2623.0 -- SSA SISTEMAS S.A. 13 - AS32133 2381 0.0% 2381.0 -- JOHNSTONE-SUPPLY - Atwater Supply dba Johnstone Supply 14 - AS36988 6311 0.1% 2103.7 -- MILLICOM-SL 15 - AS30560 20321 0.3% 2032.1 -- GE-MS001 - General Electric Company 16 - AS38513 1999 0.0% 1999.0 -- LINTASARTA-AS-ID PT Aplikanusa Lintasarta 17 - AS25250 5996 0.1% 1998.7 -- GAMTEL-AS 18 - AS10571 3848 0.1% 1924.0 -- GEOACCESS-AS - GeoAccess 19 - AS36966 1740 0.0% 1740.0 -- Edgenet 20 - AS31065 12118 0.2% 1731.1 -- MCIT TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.12.120.0/24 72767 0.9% AS5691 -- MITRE-AS-5 - The MITRE Corporation 2 - 221.134.222.0/24 60891 0.8% AS9583 -- SIFY-AS-IN Sify Limited 3 - 83.228.71.0/24 42031 0.6% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 4 - 194.126.143.0/24 28311 0.4% AS9051 -- IDM Autonomous System 5 - 210.214.128.0/23 26278 0.3% AS9583 -- SIFY-AS-IN Sify Limited 6 - 221.128.192.0/18 25140 0.3% AS18231 -- EXATT-AS-AP IOL NETCOM LTD 7 - 210.214.144.0/24 17050 0.2% AS9583 -- SIFY-AS-IN Sify Limited 8 - 24.121.123.0/24 13701 0.2% AS25994 -- NPG-001 - NPG Cable, INC 9 - 195.47.233.0/24 12494 0.2% AS30850 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 10 - 81.21.104.0/24 11265 0.1% AS31065 -- MCIT 11 - 203.63.26.0/24 11118 0.1% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 12 - 63.84.91.0/24 10017 0.1% AS27245 -- HEIDRICK-CHICAGO - HEIDRICK 13 - 72.50.96.0/20 9739 0.1% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 14 - 196.42.48.0/20 9380 0.1% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 15 - 72.50.112.0/20 9259 0.1% AS10396 -- COQUI-NET - DATACOM CARIBE, INC. 16 - 216.255.56.0/21 8868 0.1% AS7106 -- OHIOBRIGHTNET - Com Net, Inc. 17 - 213.91.175.0/24 7610 0.1% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 18 - 199.244.140.0/24 7561 0.1% AS30560 -- GE-MS001 - General Electric Company 19 - 210.214.26.0/24 6973 0.1% AS9583 -- SIFY-AS-IN Sify Limited 20 - 203.101.87.0/24 6609 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