BGP Update Report Interval: 30-Jul-07 -to- 30-Aug-07 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9583 162315 2.2% 137.2 -- SIFY-AS-IN Sify Limited 2 - AS14906 78389 1.1% 15677.8 -- 3 - AS6837 78263 1.1% 698.8 -- SWISSCOM-TRANSIT-AS Swisscom Solutions AG 4 - AS4621 77868 1.1% 526.1 -- UNSPECIFIED UNINET-TH 5 - AS24731 66260 0.9% 1743.7 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 6 - AS14201 60057 0.8% 6005.7 -- 7 - AS7018 51034 0.7% 33.1 -- ATT-INTERNET4 - AT&T WorldNet Services 8 - AS13285 45746 0.6% 6535.1 -- OPALTELECOM-AS Opal Telecom 9 - AS17974 42293 0.6% 107.6 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA 10 - AS30850 40792 0.6% 20396.0 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 11 - AS7545 37504 0.5% 49.3 -- TPG-INTERNET-AP TPG Internet Pty Ltd 12 - AS7491 37355 0.5% 313.9 -- PI-PH-AS-AP PI-PHILIPINES 13 - AS4249 37059 0.5% 261.0 -- LILLY-AS - Eli Lilly and Company 14 - AS237 34922 0.5% 204.2 -- MERIT-AS-14 - Merit Network Inc. 15 - AS5786 34805 0.5% 204.7 -- UPRENET - University of Puerto Rico 16 - AS8764 34498 0.5% 20.6 -- TEOLTAB TEO LT AB Autonomous System 17 - AS27289 34352 0.5% 34352.0 -- CLEOCOMMUNICATIONS - CLEO COMMUNICATIONS INC 18 - AS702 34020 0.5% 51.7 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 19 - AS8151 33282 0.5% 35.2 -- Uninet S.A. de C.V. 20 - AS12975 32562 0.5% 664.5 -- PALTEL-AS PALTEL Autonomous System TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS27289 34352 0.5% 34352.0 -- CLEOCOMMUNICATIONS - CLEO COMMUNICATIONS INC 2 - AS22072 31744 0.4% 31744.0 -- 3 - AS30850 40792 0.6% 20396.0 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 4 - AS26829 19646 0.3% 19646.0 -- YKK-USA - YKK USA,INC 5 - AS14906 78389 1.1% 15677.8 -- 6 - AS15126 8039 0.1% 8039.0 -- ASMC - American Suzuki Motor Corporation 7 - AS13285 45746 0.6% 6535.1 -- OPALTELECOM-AS Opal Telecom 8 - AS43043 6523 0.1% 6523.0 -- INTERKOM-AS Interkom Sp. z o.o. 9 - AS14201 60057 0.8% 6005.7 -- 10 - AS30707 13209 0.2% 4403.0 -- 11 - AS21348 8010 0.1% 4005.0 -- KOPTERIFI KOPTERIFI is autonomous system. Located in Vammala Finland 12 - AS20816 3739 0.1% 3739.0 -- IIP-NET-AS20816 Science and Society Telecomm Center 13 - AS30375 3392 0.1% 3392.0 -- TEVA-NA - Teva Pharmaceuticals USA, INC 14 - AS39408 3111 0.0% 3111.0 -- CZ-ETHERNET AVI ethernet.cz 15 - AS41688 17499 0.2% 2916.5 -- COSMOFON-AS AS for Cosmofon 16 - AS13620 31519 0.4% 2865.4 -- ASN-ELAN - Elan Communications, Inc. 17 - AS40359 2511 0.0% 2511.0 -- SOUTHEASTERNMILLS-ROME - Southeastern Mills, Inc. 18 - AS9660 7411 0.1% 2470.3 -- KANNET-AS-AP Telecommunication and ISP company 19 - AS29425 2028 0.0% 2028.0 -- SAKHCOM-AS SAKHCOM-NETWORK AS 20 - AS43046 2012 0.0% 2012.0 -- MSOLS-AS MSOLS LTD TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 221.135.22.0/24 51269 0.7% AS9583 -- SIFY-AS-IN Sify Limited 2 - 62.24.238.0/24 45660 0.6% AS13285 -- OPALTELECOM-AS Opal Telecom 3 - 194.110.73.0/24 40772 0.5% AS30850 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 4 - 221.135.253.0/24 39598 0.5% AS9583 -- SIFY-AS-IN Sify Limited 5 - 208.46.32.0/24 34352 0.4% AS27289 -- CLEOCOMMUNICATIONS - CLEO COMMUNICATIONS INC 6 - 12.106.30.0/24 31744 0.4% AS22072 -- 7 - 117.58.192.0/19 31196 0.4% AS7491 -- PI-PH-AS-AP PI-PHILIPINES 8 - 80.243.64.0/20 30257 0.4% AS21332 -- NTC-AS New Telephone Company 9 - 170.65.189.0/24 30077 0.4% AS14201 -- 10 - 170.65.176.0/22 29879 0.4% AS14201 -- 11 - 12.108.254.0/24 19646 0.2% AS26829 -- YKK-USA - YKK USA,INC 12 - 12.27.90.0/24 18102 0.2% AS14906 -- 13 - 12.27.91.0/24 18097 0.2% AS14906 -- 14 - 12.27.88.0/24 14206 0.2% AS14906 -- 15 - 12.27.89.0/24 14116 0.2% AS14906 -- 16 - 12.27.88.0/22 13868 0.2% AS14906 -- 17 - 89.4.131.0/24 13668 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 18 - 64.95.193.0/24 13193 0.2% AS30707 -- 19 - 203.63.26.0/24 13133 0.2% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 20 - 77.247.128.0/20 13119 0.2% AS34034 -- ARCTEL-AS Arctel Company Main AS AS43043 -- INTERKOM-AS Interkom Sp. z o.o. 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