BGP Update Report Interval: 14-Apr-11 -to- 21-Apr-11 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS19743 31254 1.4% 4464.9 -- 2 - AS9829 20367 0.9% 20.2 -- BSNL-NIB National Internet Backbone 3 - AS17974 19362 0.9% 10.6 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 4 - AS11492 19099 0.9% 15.0 -- CABLEONE - CABLE ONE, INC. 5 - AS16586 17967 0.8% 58.0 -- CLEARWIRE - Clearwire US LLC 6 - AS32528 17918 0.8% 2239.8 -- ABBOTT Abbot Labs 7 - AS6389 15224 0.7% 4.2 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 8 - AS35931 13544 0.6% 2257.3 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 9 - AS44609 12775 0.6% 4258.3 -- FNA Fars News Agency Cultural Arts Institute 10 - AS8452 12329 0.6% 14.6 -- TE-AS TE-AS 11 - AS14420 12223 0.6% 18.4 -- CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP 12 - AS45595 11814 0.6% 32.5 -- PKTELECOM-AS-PK Pakistan Telecom Company Limited 13 - AS20115 11671 0.5% 7.4 -- CHARTER-NET-HKY-NC - Charter Communications 14 - AS7491 11527 0.5% 125.3 -- PI-PH-AS-AP PI-PHILIPINES 15 - AS7545 11205 0.5% 8.3 -- TPG-INTERNET-AP TPG Internet Pty Ltd 16 - AS4323 10876 0.5% 4.1 -- TWTC - tw telecom holdings, inc. 17 - AS8151 10834 0.5% 8.6 -- Uninet S.A. de C.V. 18 - AS28573 10339 0.5% 6.6 -- NET Servicos de Comunicao S.A. 19 - AS17224 9487 0.4% 169.4 -- ATT-CERFNET-BLOCK - AT&T Enhanced Network Services 20 - AS27738 9133 0.4% 26.9 -- Ecuadortelecom S.A. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS19743 31254 1.4% 4464.9 -- 2 - AS44609 12775 0.6% 4258.3 -- FNA Fars News Agency Cultural Arts Institute 3 - AS35931 13544 0.6% 2257.3 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 4 - AS32528 17918 0.8% 2239.8 -- ABBOTT Abbot Labs 5 - AS49600 1519 0.1% 1519.0 -- LASEDA La Seda de Barcelona, S.A 6 - AS52280 1442 0.1% 1442.0 -- INTERNEXA Chile S.A. 7 - AS32949 1434 0.1% 717.0 -- UNITED-REFRIGERATION - UNITED REFRIGERATION INC 8 - AS20132 874 0.0% 437.0 -- DSC-AS - Dundee Securities Corporation 9 - AS3 408 0.0% 735.0 -- SL-NET-ASN SL-NET s.c. 10 - AS50364 403 0.0% 403.0 -- INPRIME InPrime Ltd 11 - AS48349 395 0.0% 395.0 -- SICE-IT-AS JSC "Siberian Interbank Currency Exchange - Information Technologies" 12 - AS52000 761 0.0% 380.5 -- ALDAN-3-AS LTD "ALDAN-3" 13 - AS11843 700 0.0% 350.0 -- BARNES - Barnes Distribution 14 - AS52126 337 0.0% 337.0 -- IXTERM-AS ixTerm Ltd. 15 - AS46167 325 0.0% 325.0 -- LANDSERVICESUSA - Land Services USA, Inc 16 - AS33362 3680 0.2% 306.7 -- WIKTEL-NET - Wikstrom Telephone Company, Incorporated 17 - AS38757 569 0.0% 284.5 -- ICONPLN-ID-AP PT. Indonesia Comnets Plus 18 - AS31662 569 0.0% 284.5 -- KNSURSELVA aurax connecta AG 19 - AS36059 284 0.0% 284.0 -- MEDMANAGEMENT-LLC - MedManagement, LLC 20 - AS45310 267 0.0% 267.0 -- PISHON-SMARTNET-AS-ID SMARTNET - Broadband Internet Service. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 221.121.96.0/19 9147 0.4% AS7491 -- PI-PH-AS-AP PI-PHILIPINES 2 - 130.36.34.0/24 8943 0.3% AS32528 -- ABBOTT Abbot Labs 3 - 130.36.35.0/24 8943 0.3% AS32528 -- ABBOTT Abbot Labs 4 - 63.211.68.0/22 7754 0.3% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 5 - 178.22.72.0/21 6429 0.2% AS44609 -- FNA Fars News Agency Cultural Arts Institute 6 - 178.22.79.0/24 6326 0.2% AS44609 -- FNA Fars News Agency Cultural Arts Institute 7 - 65.122.196.0/24 6261 0.2% AS19743 -- 8 - 198.140.43.0/24 5352 0.2% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 9 - 72.164.144.0/24 5001 0.2% AS19743 -- 10 - 65.162.204.0/24 4999 0.2% AS19743 -- 11 - 66.238.91.0/24 4997 0.2% AS19743 -- 12 - 65.163.182.0/24 4996 0.2% AS19743 -- 13 - 66.89.98.0/24 4996 0.2% AS19743 -- 14 - 202.92.235.0/24 3908 0.1% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 15 - 68.65.152.0/22 3673 0.1% AS11915 -- TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC 16 - 202.153.174.0/24 3518 0.1% AS17408 -- ABOVE-AS-AP AboveNet Communications Taiwan 17 - 213.55.75.0/24 2790 0.1% AS24757 -- EthioNet-AS 18 - 213.55.74.0/24 2788 0.1% AS24757 -- EthioNet-AS 19 - 208.54.82.0/24 2734 0.1% AS701 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 20 - 213.55.64.0/24 2521 0.1% 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