BGP Update Report Interval: 28-Apr-11 -to- 05-May-11 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9829 39333 2.9% 56.6 -- BSNL-NIB National Internet Backbone 2 - AS19743 31657 2.3% 4522.4 -- 3 - AS17974 28594 2.1% 17.2 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 4 - AS14434 22442 1.6% 1870.2 -- 5 - AS32528 17741 1.3% 4435.2 -- ABBOTT Abbot Labs 6 - AS35819 16835 1.2% 62.6 -- MOBILY-AS Etihad Etisalat Company (Mobily) 7 - AS21826 16506 1.2% 54.7 -- Internet Cable Plus C. A. 8 - AS27738 14198 1.0% 42.0 -- Ecuadortelecom S.A. 9 - AS35931 13892 1.0% 4630.7 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 10 - AS33475 13725 1.0% 77.5 -- RSN-1 - RockSolid Network, Inc. 11 - AS6458 12607 0.9% 44.5 -- Telgua 12 - AS14420 12564 0.9% 19.0 -- CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP 13 - AS11992 12441 0.9% 27.3 -- CENTENNIAL-PR - Centennial de Puerto Rico 14 - AS1660 11635 0.8% 147.3 -- ANS-CORP-NY - ANS Communications 15 - AS11492 11545 0.8% 24.1 -- CABLEONE - CABLE ONE, INC. 16 - AS9498 10604 0.8% 25.2 -- BBIL-AP BHARTI Airtel Ltd. 17 - AS24560 10290 0.8% 10.3 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 18 - AS24534 10040 0.7% 2510.0 -- TRANSHYBRID-AS-ID PT. Transhybrid Communication 19 - AS15475 9993 0.7% 22.9 -- NOL 20 - AS24757 9813 0.7% 223.0 -- EthioNet-AS TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS35931 13892 1.0% 4630.7 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 2 - AS19743 31657 2.3% 4522.4 -- 3 - AS32528 17741 1.3% 4435.2 -- ABBOTT Abbot Labs 4 - AS18704 4334 0.3% 4334.0 -- T-SYSTEMS-NA - T-Systems North America, Inc. 5 - AS17408 3550 0.3% 3550.0 -- ABOVE-AS-AP AboveNet Communications Taiwan 6 - AS44609 9297 0.7% 3099.0 -- FNA Fars News Agency Cultural Arts Institute 7 - AS24534 10040 0.7% 2510.0 -- TRANSHYBRID-AS-ID PT. Transhybrid Communication 8 - AS14434 22442 1.6% 1870.2 -- 9 - AS49600 1488 0.1% 1488.0 -- LASEDA La Seda de Barcelona, S.A 10 - AS50324 938 0.1% 938.0 -- ORCO-GSG GSG Asset GmbH & Co. Verwaltungs KG 11 - AS27771 1731 0.1% 865.5 -- Instituto Venezolano de Investigaciones Cientificas 12 - AS48731 791 0.1% 791.0 -- VSAU-AS Federal State Educational Institution of Higher Professional Education Voronezh State Agricultural University of K.D.Glinka 13 - AS3454 6308 0.5% 788.5 -- Universidad Autonoma de Nuevo Leon 14 - AS11915 3715 0.3% 743.0 -- TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC 15 - AS27667 1190 0.1% 595.0 -- Universidad Autonoma de la Laguna 16 - AS49508 480 0.0% 480.0 -- NEOS1-AS KS-Telecom ltd 17 - AS13610 480 0.0% 480.0 -- PROVOCRAFT-NOVELTY - Provo Craft & Novelty, Inc. 18 - AS10445 2351 0.2% 470.2 -- HTG - Huntleigh Telcom 19 - AS3 447 0.0% 735.0 -- GIGABIT-NET LLC Gigabit 20 - AS3 433 0.0% 1083.0 -- GIGABIT-NET LLC Gigabit TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 202.92.235.0/24 9609 0.7% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 2 - 130.36.35.0/24 8872 0.6% AS32528 -- ABBOTT Abbot Labs 3 - 130.36.34.0/24 8867 0.6% AS32528 -- ABBOTT Abbot Labs 4 - 63.211.68.0/22 7597 0.5% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 5 - 65.122.196.0/24 6272 0.4% AS19743 -- 6 - 198.140.43.0/24 6232 0.4% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 7 - 200.23.202.0/24 6148 0.4% AS3454 -- Universidad Autonoma de Nuevo Leon 8 - 66.248.160.0/22 5650 0.4% AS14434 -- 9 - 66.248.170.0/23 5650 0.4% AS14434 -- 10 - 221.121.96.0/19 5594 0.4% AS7491 -- PI-PH-AS-AP PI-PHILIPINES 11 - 66.248.172.0/23 5566 0.4% AS14434 -- 12 - 66.248.168.0/24 5560 0.4% AS14434 -- 13 - 66.238.91.0/24 5077 0.3% AS19743 -- 14 - 66.89.98.0/24 5077 0.3% AS19743 -- 15 - 72.164.144.0/24 5077 0.3% AS19743 -- 16 - 65.162.204.0/24 5076 0.3% AS19743 -- 17 - 65.163.182.0/24 5076 0.3% AS19743 -- 18 - 178.22.72.0/21 4689 0.3% AS44609 -- FNA Fars News Agency Cultural Arts Institute 19 - 178.22.79.0/24 4601 0.3% AS44609 -- FNA Fars News Agency Cultural Arts Institute 20 - 64.43.0.0/16 4334 0.3% AS18704 -- T-SYSTEMS-NA - T-Systems North America, Inc. Details at http://bgpupdates.potaroo.net ------------------------------------ Copies of this report are mailed to: nanog@nanog.org eof-list@ripe.net apops@apops.net routing-wg@ripe.net afnog@afnog.org