BGP Update Report Interval: 19-Apr-12 -to- 26-Apr-12 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS8402 50753 2.8% 39.7 -- CORBINA-AS OJSC "Vimpelcom" 2 - AS24186 41863 2.3% 747.6 -- RAILTEL-AS-IN RailTel Corporation of India Ltd., Internet Service Provider, New Delhi 3 - AS9829 40602 2.3% 41.2 -- BSNL-NIB National Internet Backbone 4 - AS12479 27229 1.5% 225.0 -- UNI2-AS France Telecom Espana SA 5 - AS32528 26218 1.5% 4369.7 -- ABBOTT Abbot Labs 6 - AS8151 21499 1.2% 19.2 -- Uninet S.A. de C.V. 7 - AS7552 21398 1.2% 18.6 -- VIETEL-AS-AP Vietel Corporation 8 - AS13118 20797 1.2% 1890.6 -- ASN-YARTELECOM OJSC Rostelecom 9 - AS19422 19216 1.1% 204.4 -- Telefonica Moviles del Uruguay SA 10 - AS5800 17795 1.0% 72.9 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 11 - AS6713 15744 0.9% 34.8 -- IAM-AS 12 - AS2118 15586 0.9% 12.0 -- RELCOM-AS OOO "NPO Relcom" 13 - AS786 15135 0.8% 75.3 -- JANET The JNT Association 14 - AS24560 15117 0.8% 14.7 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 15 - AS26615 13229 0.7% 14.7 -- Tim Celular S.A. 16 - AS5976 12960 0.7% 107.1 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 17 - AS20799 12705 0.7% 1155.0 -- DATANET-AS Datanet.co.uk Ltd 18 - AS45899 12487 0.7% 38.0 -- VNPT-AS-VN VNPT Corp 19 - AS44798 11894 0.7% 11894.0 -- PERVOMAYSK-AS PP "SKS-Pervomaysk" 20 - AS1600 11265 0.6% 60.9 -- DNIC-ASBLK-01550-01601 - DoD Network Information Center TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS44798 11894 0.7% 11894.0 -- PERVOMAYSK-AS PP "SKS-Pervomaysk" 2 - AS32528 26218 1.5% 4369.7 -- ABBOTT Abbot Labs 3 - AS13118 20797 1.2% 1890.6 -- ASN-YARTELECOM OJSC Rostelecom 4 - AS11553 1313 0.1% 1313.0 -- MANNATECH-AS MANNATECH 5 - AS20799 12705 0.7% 1155.0 -- DATANET-AS Datanet.co.uk Ltd 6 - AS17408 3300 0.2% 1100.0 -- ABOVE-AS-AP AboveNet Communications Taiwan 7 - AS55665 1081 0.1% 1081.0 -- STMI-AS-ID PT Sampoerna Telemedia Indonesia 8 - AS32541 1041 0.1% 1041.0 -- SAIRB-AS - Schulman Associates Institutional Review Board, Inc. 9 - AS27624 2016 0.1% 1008.0 -- AS-ELCA-CWO - ELCA 10 - AS34043 895 0.1% 895.0 -- RISS Internet Security Systems SRL 11 - AS57767 805 0.0% 805.0 -- RTTC-AS Federal State-owned Enterprise Russian Television and Radio Broadcasting Network 12 - AS24029 800 0.0% 800.0 -- NIXI-IN-AS NIXI is an IXP in India 13 - AS58074 757 0.0% 757.0 -- MIVIROM-AS MIVIROM COM PROD SRL 14 - AS24186 41863 2.3% 747.6 -- RAILTEL-AS-IN RailTel Corporation of India Ltd., Internet Service Provider, New Delhi 15 - AS36029 737 0.0% 737.0 -- CASAS - CASAS 16 - AS32398 1838 0.1% 612.7 -- REALNET-ASN-1 17 - AS3 588 0.0% 366.0 -- ARKOON Arkoon Network Security SA 18 - AS36980 577 0.0% 577.0 -- JOHNHOLT-ASN 19 - AS54011 559 0.0% 559.0 -- NYDH - New York Downtown Hospital 20 - AS28306 4328 0.2% 541.0 -- TC Net Informática e Telecomunicações LTDA TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 130.36.34.0/24 13100 0.7% AS32528 -- ABBOTT Abbot Labs 2 - 130.36.35.0/24 13100 0.7% AS32528 -- ABBOTT Abbot Labs 3 - 91.202.212.0/22 11894 0.6% AS44798 -- PERVOMAYSK-AS PP "SKS-Pervomaysk" 4 - 46.237.0.0/19 10228 0.5% AS13118 -- ASN-YARTELECOM OJSC Rostelecom 5 - 205.107.121.0/24 9904 0.5% AS5976 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 6 - 95.106.160.0/19 9461 0.5% AS13118 -- ASN-YARTELECOM OJSC Rostelecom 7 - 62.36.252.0/22 8118 0.4% AS12479 -- UNI2-AS France Telecom Espana SA 8 - 62.36.249.0/24 6453 0.3% AS12479 -- UNI2-AS France Telecom Espana SA 9 - 62.36.241.0/24 6078 0.3% AS12479 -- UNI2-AS France Telecom Espana SA 10 - 62.36.210.0/24 5949 0.3% AS12479 -- UNI2-AS France Telecom Espana SA 11 - 194.63.9.0/24 5810 0.3% AS1273 -- CW Cable and Wireless Worldwide plc 12 - 122.161.0.0/16 3722 0.2% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 13 - 202.56.215.0/24 3596 0.2% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 14 - 182.64.0.0/16 3468 0.2% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 15 - 202.153.174.0/24 3285 0.2% AS17408 -- ABOVE-AS-AP AboveNet Communications Taiwan 16 - 41.43.147.0/24 2904 0.1% AS8452 -- TE-AS TE-AS 17 - 192.100.162.0/24 2794 0.1% AS8151 -- Uninet S.A. de C.V. 18 - 146.16.176.0/20 2654 0.1% AS6006 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 19 - 200.23.110.0/24 2293 0.1% AS8151 -- Uninet S.A. de C.V. 20 - 200.23.112.0/24 2291 0.1% AS8151 -- Uninet S.A. de C.V. 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