BGP Update Report Interval: 07-Apr-11 -to- 14-Apr-11 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS17224 36610 2.5% 1926.8 -- ATT-CERFNET-BLOCK - AT&T Enhanced Network Services 2 - AS19743 30570 2.1% 5095.0 -- 3 - AS9829 23902 1.7% 44.3 -- BSNL-NIB National Internet Backbone 4 - AS11492 20804 1.4% 20.9 -- CABLEONE - CABLE ONE, INC. 5 - AS32528 17914 1.2% 2559.1 -- ABBOTT Abbot Labs 6 - AS14420 16549 1.1% 25.0 -- CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP 7 - AS44609 13135 0.9% 6567.5 -- FNA Fars News Agency Cultural Arts Institute 8 - AS35931 12061 0.8% 4020.3 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 9 - AS8151 11476 0.8% 13.3 -- Uninet S.A. de C.V. 10 - AS45595 11180 0.8% 58.8 -- PKTELECOM-AS-PK Pakistan Telecom Company Limited 11 - AS14522 11041 0.8% 29.2 -- Satnet 12 - AS9498 10942 0.8% 21.2 -- BBIL-AP BHARTI Airtel Ltd. 13 - AS17974 10628 0.7% 9.8 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 14 - AS7491 10241 0.7% 99.4 -- PI-PH-AS-AP PI-PHILIPINES 15 - AS28573 9729 0.7% 6.9 -- NET Servicos de Comunicao S.A. 16 - AS24757 9149 0.6% 247.3 -- EthioNet-AS 17 - AS27738 8229 0.6% 24.3 -- Ecuadortelecom S.A. 18 - AS9737 7751 0.5% 55.8 -- TOTNET-TH-AS-AP TOT Public Company Limited 19 - AS17488 7617 0.5% 17.9 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 20 - AS27747 6930 0.5% 28.2 -- Telecentro S.A. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS44609 13135 0.9% 6567.5 -- FNA Fars News Agency Cultural Arts Institute 2 - AS19743 30570 2.1% 5095.0 -- 3 - AS35931 12061 0.8% 4020.3 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 4 - AS11915 3664 0.3% 3664.0 -- TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC 5 - AS17408 3409 0.2% 3409.0 -- ABOVE-AS-AP AboveNet Communications Taiwan 6 - AS32528 17914 1.2% 2559.1 -- ABBOTT Abbot Labs 7 - AS17225 2277 0.2% 2277.0 -- ATT-CERFNET-BLOCK - AT&T Enhanced Network Services 8 - AS17224 36610 2.5% 1926.8 -- ATT-CERFNET-BLOCK - AT&T Enhanced Network Services 9 - AS22206 1616 0.1% 1616.0 -- GOOD-SAM - Evangelical Lutheran Good Samaritan Society 10 - AS49600 1523 0.1% 1523.0 -- LASEDA La Seda de Barcelona, S.A 11 - AS13168 1438 0.1% 1438.0 -- SANOSTRA-AS AS de la Caja de ahorros y monte de piedad de las Baleares 12 - AS45310 686 0.1% 686.0 -- PISHON-SMARTNET-AS-ID SMARTNET - Broadband Internet Service. 13 - AS36907 1263 0.1% 631.5 -- TVCABO_ASN 14 - AS45828 541 0.0% 541.0 -- DIVERSIT-AU-AS-AP DiversIT AS 15 - AS9476 522 0.0% 522.0 -- INTRAPOWER-AS-AP IntraPower Pty. Ltd. 16 - AS10445 2310 0.2% 462.0 -- HTG - Huntleigh Telcom 17 - AS3 384 0.0% 735.0 -- ARKTIKA-AS Trade and logistics facility ARKTIKA Ltd 18 - AS55477 357 0.0% 357.0 -- ADMU-AS-PH Loyola Heights 19 - AS49392 342 0.0% 342.0 -- AM-BRIDGENET-AS Bridgenet JVC Autonomous System Yerevan, Armenia 20 - AS48068 335 0.0% 335.0 -- VISONIC Visonic Ltd TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 130.36.34.0/24 8952 0.6% AS32528 -- ABBOTT Abbot Labs 2 - 130.36.35.0/24 8948 0.6% AS32528 -- ABBOTT Abbot Labs 3 - 221.121.96.0/19 8051 0.5% AS7491 -- PI-PH-AS-AP PI-PHILIPINES 4 - 202.92.235.0/24 7964 0.5% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 5 - 63.211.68.0/22 7035 0.5% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 6 - 178.22.79.0/24 6588 0.4% AS44609 -- FNA Fars News Agency Cultural Arts Institute 7 - 178.22.72.0/21 6547 0.4% AS44609 -- FNA Fars News Agency Cultural Arts Institute 8 - 65.122.196.0/24 5974 0.4% AS19743 -- 9 - 72.164.144.0/24 4945 0.3% AS19743 -- 10 - 66.238.91.0/24 4913 0.3% AS19743 -- 11 - 65.162.204.0/24 4913 0.3% AS19743 -- 12 - 66.89.98.0/24 4913 0.3% AS19743 -- 13 - 65.163.182.0/24 4912 0.3% AS19743 -- 14 - 198.140.43.0/24 4728 0.3% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 15 - 68.65.152.0/22 3664 0.2% AS11915 -- TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC 16 - 206.184.16.0/24 3455 0.2% AS174 -- COGENT Cogent/PSI 17 - 202.153.174.0/24 3409 0.2% AS17408 -- ABOVE-AS-AP AboveNet Communications Taiwan 18 - 213.55.75.0/24 2901 0.2% AS24757 -- EthioNet-AS 19 - 213.55.74.0/24 2899 0.2% AS24757 -- EthioNet-AS 20 - 213.55.64.0/24 2614 0.2% AS24757 -- EthioNet-AS 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