BGP Update Report Interval: 26-Jun-07 -to- 26-Jul-07 (31 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS14906 163544 1.7% 32708.8 -- 2 - AS9583 148797 1.6% 127.0 -- SIFY-AS-IN Sify Limited 3 - AS21452 130141 1.4% 13014.1 -- skannet-ibadan 4 - AS4621 92124 1.0% 618.3 -- UNSPECIFIED UNINET-TH 5 - AS24731 79426 0.8% 1557.4 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 6 - AS30850 60725 0.7% 30362.5 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 7 - AS12879 58264 0.6% 9710.7 -- OJSC-STN-AS Svyaztransneft Autonomus System 8 - AS4775 57838 0.6% 354.8 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 9 - AS8151 56075 0.6% 62.7 -- Uninet S.A. de C.V. 10 - AS6325 53467 0.6% 954.8 -- ILLINOIS-CENTURY - Illinois Century Network 11 - AS7604 52580 0.6% 1947.4 -- HWY1-AS Highway 1 12 - AS24326 47242 0.5% 268.4 -- TTT-AS-AP Maxnet, Internet Service Provider, Bangkok 13 - AS13285 46528 0.5% 6646.9 -- OPALTELECOM-AS Opal Telecom 14 - AS24863 45187 0.5% 98.9 -- LINKdotNET-AS 15 - AS7910 43927 0.5% 283.4 -- COLDECON 16 - AS702 43920 0.5% 65.2 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe 17 - AS30763 43132 0.5% 4792.4 -- IOS-SECONDARY-AS Internet of Siberia ISP 18 - AS7018 41096 0.4% 26.5 -- ATT-INTERNET4 - AT&T WorldNet Services 19 - AS19444 39998 0.4% 645.1 -- CHARTER-STL - CHARTER COMMUNICATIONS 20 - AS27685 38579 0.4% 2269.4 -- PEOPLE ONLINE TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS14906 163544 1.7% 32708.8 -- 2 - AS30850 60725 0.7% 30362.5 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 3 - AS22433 28937 0.3% 28937.0 -- HRMC - Human Resource Management Center, Inc. 4 - AS21452 130141 1.4% 13014.1 -- skannet-ibadan 5 - AS12879 58264 0.6% 9710.7 -- OJSC-STN-AS Svyaztransneft Autonomus System 6 - AS21348 13357 0.1% 6678.5 -- KOPTERIFI KOPTERIFI is autonomous system. Located in Vammala Finland 7 - AS13285 46528 0.5% 6646.9 -- OPALTELECOM-AS Opal Telecom 8 - AS11725 12915 0.1% 6457.5 -- MUELLER-NET - Mueller Industries, Inc. 9 - AS30707 16478 0.2% 5492.7 -- 10 - AS9833 5173 0.1% 5173.0 -- HICOM-AS-AP http://www.plexus.net 11 - AS30763 43132 0.5% 4792.4 -- IOS-SECONDARY-AS Internet of Siberia ISP 12 - AS11169 24595 0.3% 4099.2 -- NET-WEIRNET-US-01 - Weirnet LLC 13 - AS5956 4085 0.0% 4085.0 -- DDN-ASNBLK - DoD Network Information Center 14 - AS19001 7771 0.1% 3885.5 -- AVENTCOMMTECH - Aventure Communications 15 - AS31949 3679 0.0% 3679.0 -- APEXDIGITAL - Apex Digital 16 - AS7013 12926 0.1% 3231.5 -- NETSELECT - Health Sciences Libraries Consortium 17 - AS38281 3005 0.0% 3005.0 -- ASN-ABSYSTEMS-PH ABSystems Inc 18 - AS34378 2735 0.0% 2735.0 -- RUG-AS Razguliay-UKRROS Group 19 - AS41027 2595 0.0% 2595.0 -- NETEX-AS NETEX Company, Kyiv, Ukraine 20 - AS33078 2531 0.0% 2531.0 -- ISC-CAI1 ISC, Cairo, Egypt TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 194.110.73.0/24 60644 0.6% AS30850 -- DESMIE-AS Hellenic Trasmission System Operator S.A. 2 - 203.23.208.0/24 51525 0.5% AS7604 -- HWY1-AS Highway 1 3 - 62.24.238.0/24 46427 0.5% AS13285 -- OPALTELECOM-AS Opal Telecom 4 - 80.250.36.0/23 43557 0.5% AS21452 -- skannet-ibadan 5 - 80.250.44.0/22 43416 0.5% AS21452 -- skannet-ibadan 6 - 80.250.40.0/22 42733 0.4% AS21452 -- skannet-ibadan 7 - 212.109.192.0/20 42406 0.4% AS30763 -- IOS-SECONDARY-AS Internet of Siberia ISP 8 - 80.243.64.0/20 35298 0.4% AS21332 -- NTC-AS New Telephone Company 9 - 12.27.91.0/24 33934 0.3% AS14906 -- 10 - 12.27.90.0/24 33933 0.3% AS14906 -- 11 - 12.27.88.0/24 33855 0.3% AS14906 -- 12 - 12.27.89.0/24 33760 0.3% AS14906 -- 13 - 64.215.207.0/24 28937 0.3% AS22433 -- HRMC - Human Resource Management Center, Inc. 14 - 124.7.139.0/24 28892 0.3% AS9583 -- SIFY-AS-IN Sify Limited 15 - 212.73.122.0/24 28749 0.3% AS12879 -- OJSC-STN-AS Svyaztransneft Autonomus System 16 - 212.73.123.0/24 28741 0.3% AS12879 -- OJSC-STN-AS Svyaztransneft Autonomus System 17 - 221.135.253.0/24 28323 0.3% AS9583 -- SIFY-AS-IN Sify Limited 18 - 12.27.88.0/22 28062 0.3% AS14906 -- 19 - 203.177.10.0/24 26783 0.3% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 20 - 203.177.132.0/24 26587 0.3% AS4775 -- GLOBE-TELECOM-AS Telecom Carrier / ISP Plus + 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