BGP Update Report Interval: 16-Jul-07 -to- 16-Aug-07 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS14906 173904 2.7% 34780.8 -- 2 - AS9583 150061 2.4% 128.5 -- SIFY-AS-IN Sify Limited 3 - AS7018 63517 1.0% 41.0 -- ATT-INTERNET4 - AT&T WorldNet Services 4 - AS24731 62197 1.0% 1480.9 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 5 - AS14201 61213 1.0% 6121.3 -- 6 - AS30850 58130 0.9% 29065.0 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 7 - AS13285 48474 0.8% 6924.9 -- OPALTELECOM-AS Opal Telecom 8 - AS4621 47071 0.7% 318.0 -- UNSPECIFIED UNINET-TH 9 - AS27685 40263 0.6% 2368.4 -- PEOPLE ONLINE 10 - AS24326 36235 0.6% 204.7 -- TTT-AS-AP Maxnet, Internet Service Provider, Bangkok 11 - AS21452 35613 0.6% 5087.6 -- skannet-ibadan 12 - AS24863 33878 0.5% 93.1 -- LINKdotNET-AS 13 - AS702 32951 0.5% 49.9 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 14 - AS21332 31655 0.5% 1266.2 -- NTC-AS New Telephone Company 15 - AS19444 31341 0.5% 460.9 -- CHARTER-STL - CHARTER COMMUNICATIONS 16 - AS8764 29725 0.5% 17.8 -- TEOLTAB TEO LT AB Autonomous System 17 - AS26210 29694 0.5% 285.5 -- AES Communications Bolivia S.A. 18 - AS5803 28406 0.4% 208.9 -- DDN-ASNBLK - DoD Network Information Center 19 - AS6517 28391 0.4% 47.6 -- YIPESCOM - Yipes Communications, Inc. 20 - AS8151 27341 0.4% 29.5 -- Uninet S.A. de C.V. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS14906 173904 2.7% 34780.8 -- 2 - AS30850 58130 0.9% 29065.0 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 3 - AS27289 22605 0.3% 22605.0 -- CLEOCOMMUNICATIONS - CLEO COMMUNICATIONS INC 4 - AS22072 18947 0.3% 18947.0 -- 5 - AS22433 10103 0.2% 10103.0 -- HRMC - Human Resource Management Center, Inc. 6 - AS26829 9025 0.1% 9025.0 -- YKK-USA - YKK USA,INC 7 - AS13285 48474 0.8% 6924.9 -- OPALTELECOM-AS Opal Telecom 8 - AS43043 6523 0.1% 6523.0 -- INTERKOM-AS Interkom Sp. z o.o. 9 - AS14201 61213 1.0% 6121.3 -- 10 - AS21348 10682 0.2% 5341.0 -- KOPTERIFI KOPTERIFI is autonomous system. Located in Vammala Finland 11 - AS19001 10230 0.2% 5115.0 -- AVENTCOMMTECH - Aventure Communications 12 - AS21452 35613 0.6% 5087.6 -- skannet-ibadan 13 - AS30707 14112 0.2% 4704.0 -- 14 - AS39408 3099 0.1% 3099.0 -- CZ-ETHERNET AVI ethernet.cz 15 - AS41688 17508 0.3% 2918.0 -- COSMOFON-AS AS for Cosmofon 16 - AS20816 2905 0.1% 2905.0 -- IIP-NET-AS20816 Science and Society Telecomm Center 17 - AS9660 7396 0.1% 2465.3 -- KANNET-AS-AP Telecommunication and ISP company 18 - AS13620 26365 0.4% 2396.8 -- ASN-ELAN - Elan Communications, Inc. 19 - AS27685 40263 0.6% 2368.4 -- PEOPLE ONLINE 20 - AS30375 2298 0.0% 2298.0 -- TEVA-NA - Teva Pharmaceuticals USA, INC TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 194.110.73.0/24 58106 0.8% AS30850 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 2 - 221.135.22.0/24 51573 0.8% AS9583 -- SIFY-AS-IN Sify Limited 3 - 62.24.238.0/24 48431 0.7% AS13285 -- OPALTELECOM-AS Opal Telecom 4 - 221.135.253.0/24 44992 0.7% AS9583 -- SIFY-AS-IN Sify Limited 5 - 12.27.90.0/24 38559 0.6% AS14906 -- 6 - 12.27.91.0/24 38541 0.6% AS14906 -- 7 - 12.27.88.0/24 33324 0.5% AS14906 -- 8 - 12.27.89.0/24 33197 0.5% AS14906 -- 9 - 170.65.189.0/24 30613 0.5% AS14201 -- 10 - 80.243.64.0/20 30527 0.5% AS21332 -- NTC-AS New Telephone Company 11 - 170.65.176.0/22 30507 0.5% AS14201 -- 12 - 12.27.88.0/22 30283 0.4% AS14906 -- 13 - 210.214.198.0/24 23672 0.3% AS9583 -- SIFY-AS-IN Sify Limited 14 - 208.46.32.0/24 22605 0.3% AS27289 -- CLEOCOMMUNICATIONS - CLEO COMMUNICATIONS INC 15 - 200.123.224.0/24 19731 0.3% AS27685 -- PEOPLE ONLINE 16 - 200.123.225.0/24 19728 0.3% AS27685 -- PEOPLE ONLINE 17 - 12.106.30.0/24 18947 0.3% AS22072 -- 18 - 203.23.208.0/24 17831 0.3% AS7604 -- HWY1-AS Highway 1 19 - 117.58.192.0/19 14500 0.2% AS7491 -- PI-PH-AS-AP PI-PHILIPINES 20 - 64.95.193.0/24 14087 0.2% AS30707 -- 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