BGP Update Report Interval: 03-Mar-11 -to- 10-Mar-11 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS45595 23891 1.5% 66.2 -- PKTELECOM-AS-PK Pakistan Telecom Company Limited 2 - AS23966 23516 1.5% 70.4 -- LDN-AS-PK LINKdotNET Telecom Limited 3 - AS26210 23379 1.4% 135.9 -- AXS Bolivia S. A. 4 - AS32528 17323 1.1% 2165.4 -- ABBOTT Abbot Labs 5 - AS6713 15863 1.0% 27.1 -- IAM-AS 6 - AS9829 15212 0.9% 15.2 -- BSNL-NIB National Internet Backbone 7 - AS35931 12715 0.8% 2119.2 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 8 - AS24560 11343 0.7% 10.0 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 9 - AS17974 11294 0.7% 7.9 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 10 - AS9498 11141 0.7% 14.3 -- BBIL-AP BHARTI Airtel Ltd. 11 - AS14420 10784 0.7% 16.7 -- CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP 12 - AS8402 10706 0.7% 6.0 -- CORBINA-AS Corbina Telecom 13 - AS25220 9517 0.6% 732.1 -- GLOBALNOC-AS Averbo GmbH 14 - AS17488 8066 0.5% 8.5 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 15 - AS7491 7756 0.5% 84.3 -- PI-PH-AS-AP PI-PHILIPINES 16 - AS8452 7575 0.5% 8.6 -- TE-AS TE-AS 17 - AS5800 7144 0.4% 30.8 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 18 - AS19743 7017 0.4% 1002.4 -- 19 - AS23696 6959 0.4% 869.9 -- FIRSTASIANET-AS-ID PT Asia Utama. 20 - AS210 6885 0.4% 5.1 -- WEST-NET-WEST - Utah Education Network TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS32528 17323 1.1% 2165.4 -- ABBOTT Abbot Labs 2 - AS35931 12715 0.8% 2119.2 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 3 - AS17874 2013 0.1% 2013.0 -- NPC-AS-KR National Pension Corporation 4 - AS49600 1246 0.1% 1246.0 -- LASEDA La Seda de Barcelona, S.A 5 - AS19743 7017 0.4% 1002.4 -- 6 - AS10198 1820 0.1% 910.0 -- CUP-AS-KR Catholic University of Pusan 7 - AS23696 6959 0.4% 869.9 -- FIRSTASIANET-AS-ID PT Asia Utama. 8 - AS35870 850 0.1% 850.0 -- PHI-CCR-BACKBONE - Public Health Institute California Cancer Registry 9 - AS25220 9517 0.6% 732.1 -- GLOBALNOC-AS Averbo GmbH 10 - AS28519 2042 0.1% 680.7 -- Universidad Autonoma de Guadalajara, A.C. 11 - AS22288 538 0.0% 538.0 -- RFBKCORP - Republic First Bancorp, Inc. 12 - AS36591 371 0.0% 371.0 -- PRT - PixelRiver 13 - AS40607 364 0.0% 364.0 -- HCPL-7-ASN - HALL CAPITAL PARTNERS, LLC 14 - AS46167 361 0.0% 361.0 -- LANDSERVICESUSA - Land Services USA, Inc 15 - AS48377 322 0.0% 322.0 -- CEB-AS Credit Europe Bank Ukraine OOO 16 - AS42292 308 0.0% 308.0 -- CREDITWESTBANK CJSC "CREDITWEST BANK" 17 - AS38757 584 0.0% 292.0 -- ICONPLN-ID-AP PT. Indonesia Comnets Plus 18 - AS39348 584 0.0% 292.0 -- TYACHIV-AS Initiativa Ltd. 19 - AS52260 1668 0.1% 278.0 -- Télécommunications de Haití (Teleco) 20 - AS27771 541 0.0% 270.5 -- Instituto Venezolano de Investigaciones Cientificas TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 85.197.100.0/22 9504 0.6% AS25220 -- GLOBALNOC-AS Averbo GmbH 2 - 130.36.34.0/24 8658 0.5% AS32528 -- ABBOTT Abbot Labs 3 - 130.36.35.0/24 8658 0.5% AS32528 -- ABBOTT Abbot Labs 4 - 63.211.68.0/22 8316 0.5% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 5 - 202.92.235.0/24 7485 0.4% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 6 - 221.121.96.0/19 4999 0.3% AS7491 -- PI-PH-AS-AP PI-PHILIPINES 7 - 198.140.43.0/24 4095 0.2% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 8 - 203.192.205.0/24 3687 0.2% AS17665 -- IN2CABLE-AP AS Number of In2cable.com (India) Ltd. AS9498 -- BBIL-AP BHARTI Airtel Ltd. 9 - 68.65.152.0/22 3443 0.2% AS11915 -- TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC 10 - 206.184.16.0/24 3186 0.2% AS174 -- COGENT Cogent/PSI 11 - 202.153.174.0/24 3017 0.2% AS17408 -- ABOVE-AS-AP AboveNet Communications Taiwan 12 - 208.54.82.0/24 2421 0.1% AS701 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 13 - 211.173.99.0/24 2013 0.1% AS17874 -- NPC-AS-KR National Pension Corporation 14 - 204.154.140.0/24 1757 0.1% AS5050 -- PSC-EXT - Pittsburgh Supercomputing Center AS7018 -- ATT-INTERNET4 - AT&T Services, Inc. 15 - 65.122.196.0/24 1383 0.1% AS19743 -- 16 - 190.15.7.128/25 1307 0.1% AS27817 -- Red Nacional Académica de Tecnología Avanzada - RENATA 17 - 213.170.59.0/24 1246 0.1% AS49600 -- LASEDA La Seda de Barcelona, S.A 18 - 41.189.225.0/24 1242 0.1% AS30990 -- ADJIB-AS 19 - 65.162.204.0/24 1127 0.1% AS19743 -- 20 - 65.163.182.0/24 1127 0.1% AS19743 -- 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