BGP Update Report Interval: 16-Jun-08 -to- 17-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 214212 2.8% 42.8 -- ERX-CERNET-BKB China Education and Research Network Center 2 - AS9583 117999 1.6% 94.2 -- SIFY-AS-IN Sify Limited 3 - AS17488 87641 1.2% 67.2 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 4 - AS5691 72620 1.0% 5586.2 -- MITRE-AS-5 - The MITRE Corporation 5 - AS8866 68509 0.9% 214.1 -- BTC-AS Bulgarian Telecommunication Company Plc. 6 - AS17974 51591 0.7% 70.5 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 7 - AS4766 51237 0.7% 38.9 -- KIXS-AS-KR Korea Telecom 8 - AS1803 42042 0.6% 33.5 -- ICMNET-5 - Sprint 9 - AS12455 39062 0.5% 640.4 -- JAMBONET 10 - AS306 38170 0.5% 208.6 -- DNIC - DoD Network Information Center 11 - AS8151 36688 0.5% 26.1 -- Uninet S.A. de C.V. 12 - AS13620 34420 0.5% 6884.0 -- ASN-ELAN - Elan Communications, Inc. 13 - AS18231 33335 0.4% 137.7 -- EXATT-AS-AP IOL NETCOM LTD 14 - AS702 32658 0.4% 59.2 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 15 - AS7738 31275 0.4% 101.5 -- Telecomunicacoes da Bahia S.A. 16 - AS5803 30695 0.4% 159.9 -- DDN-ASNBLK - DoD Network Information Center 17 - AS9498 29235 0.4% 23.1 -- BBIL-AP BHARTI BT INTERNET LTD. 18 - AS9394 29002 0.4% 19.0 -- CRNET CHINA RAILWAY Internet(CRNET) 19 - AS10396 28980 0.4% 149.4 -- COQUI-NET - DATACOM CARIBE, INC. 20 - AS25994 28945 0.4% 203.8 -- NPG-001 - NPG Cable, INC TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS13620 34420 0.5% 6884.0 -- ASN-ELAN - Elan Communications, Inc. 2 - AS30850 12526 0.2% 6263.0 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 3 - AS5691 72620 1.0% 5586.2 -- MITRE-AS-5 - The MITRE Corporation 4 - AS29910 5352 0.1% 5352.0 -- IACP - INTL. ASSN OF CHIEF OF POLICEI 5 - AS44656 4916 0.1% 4916.0 -- HOLOSFIND-ROMANIA HOLOSFIND SRL 6 - AS40256 16965 0.2% 4241.2 -- ACS-HCMS-ASN - Affiliated Computer Services, Inc. 7 - AS23082 18898 0.2% 3779.6 -- MPHI - Michigan Public Health Institute 8 - AS40831 7375 0.1% 3687.5 -- ROBERTSDYBDAHL - Roberts & Dybdahl Inc. 9 - AS44194 3436 0.1% 3436.0 -- FREIFUNK-BERLIN-AS Freifunk Berlin 10 - AS27245 6406 0.1% 3203.0 -- HEIDRICK-CHICAGO - HEIDRICK 11 - AS38513 3201 0.0% 3201.0 -- LINTASARTA-AS-ID PT Aplikanusa Lintasarta 12 - AS27786 2868 0.0% 2868.0 -- SSA SISTEMAS S.A. 13 - AS39105 2650 0.0% 2650.0 -- CLASS-AS SC Class Computers And Service SRL 14 - AS32133 2387 0.0% 2387.0 -- JOHNSTONE-SUPPLY - Atwater Supply dba Johnstone Supply 15 - AS25250 7070 0.1% 2356.7 -- GAMTEL-AS 16 - AS28361 2072 0.0% 2072.0 -- 17 - AS10571 3758 0.1% 1879.0 -- GEOACCESS-AS - GeoAccess 18 - AS36966 1756 0.0% 1756.0 -- Edgenet 19 - AS30560 17083 0.2% 1708.3 -- GE-MS001 - General Electric Company 20 - AS31065 11742 0.2% 1677.4 -- MCIT TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 192.12.120.0/24 72506 0.9% AS5691 -- MITRE-AS-5 - The MITRE Corporation 2 - 221.134.222.0/24 46688 0.6% AS9583 -- SIFY-AS-IN Sify Limited 3 - 83.228.71.0/24 44137 0.6% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. AS8953 -- ASN-ORANGE-ROMANIA Orange Romania Autonomous System Number 4 - 210.214.128.0/23 26270 0.3% AS9583 -- SIFY-AS-IN Sify Limited 5 - 24.121.123.0/24 25721 0.3% AS25994 -- NPG-001 - NPG Cable, INC 6 - 221.128.192.0/18 25235 0.3% AS18231 -- EXATT-AS-AP IOL NETCOM LTD 7 - 213.91.175.0/24 19518 0.2% AS8866 -- BTC-AS Bulgarian Telecommunication Company Plc. 8 - 210.214.144.0/24 17042 0.2% AS9583 -- SIFY-AS-IN Sify Limited 9 - 194.126.143.0/24 14156 0.2% AS9051 -- IDM Autonomous System 10 - 195.47.233.0/24 12501 0.2% AS30850 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 11 - 203.63.26.0/24 11119 0.1% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 12 - 81.21.104.0/24 10929 0.1% AS31065 -- MCIT 13 - 216.255.56.0/21 7378 0.1% AS7106 -- OHIOBRIGHTNET - Com Net, Inc. 14 - 210.214.26.0/24 6969 0.1% AS9583 -- SIFY-AS-IN Sify Limited 15 - 64.68.1.0/24 6959 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 16 - 64.68.9.0/24 6952 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 17 - 64.68.3.0/24 6926 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 18 - 216.151.192.0/19 6792 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 19 - 64.68.0.0/24 6791 0.1% AS13620 -- ASN-ELAN - Elan Communications, Inc. 20 - 203.101.87.0/24 6586 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