BGP Update Report Interval: 29-Mar-12 -to- 05-Apr-12 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS8402 67283 3.7% 33.7 -- CORBINA-AS OJSC "Vimpelcom" 2 - AS10201 52074 2.9% 197.2 -- DWL-AS-IN Dishnet Wireless Limited. Broadband Wireless 3 - AS14374 48402 2.7% 1210.0 -- AGRI-VALLEY - Agri-Valley Services Inc. 4 - AS9829 40535 2.2% 50.7 -- BSNL-NIB National Internet Backbone 5 - AS7843 34206 1.9% 1266.9 -- TWCABLE-BACKBONE - Road Runner HoldCo LLC 6 - AS12479 28304 1.6% 43.1 -- UNI2-AS France Telecom Espana SA 7 - AS7029 23655 1.3% 6.7 -- WINDSTREAM - Windstream Communications Inc 8 - AS7552 23336 1.3% 21.4 -- VIETEL-AS-AP Vietel Corporation 9 - AS32528 23234 1.3% 3319.1 -- ABBOTT Abbot Labs 10 - AS26615 21440 1.2% 24.0 -- Tim Celular S.A. 11 - AS2118 19486 1.1% 13.6 -- RELCOM-AS OOO "NPO Relcom" 12 - AS5800 17725 1.0% 57.4 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 13 - AS24560 17518 1.0% 39.2 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 14 - AS5976 16773 0.9% 148.4 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 15 - AS28683 16207 0.9% 274.7 -- BENINTELECOM 16 - AS28573 12874 0.7% 12.1 -- NET Servicos de Comunicao S.A. 17 - AS45899 9521 0.5% 29.1 -- VNPT-AS-VN VNPT Corp 18 - AS594 9181 0.5% 65.1 -- LVLT594-598 - Level 3 Communications, Inc. 19 - AS25620 8895 0.5% 57.4 -- COTAS LTDA. 20 - AS8452 8678 0.5% 8.2 -- TE-AS TE-AS TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS3563 3832 0.2% 3832.0 -- PILOT-ASN - Pilot Network Services, Inc 2 - AS17408 3365 0.2% 3365.0 -- ABOVE-AS-AP AboveNet Communications Taiwan 3 - AS32528 23234 1.3% 3319.1 -- ABBOTT Abbot Labs 4 - AS7843 34206 1.9% 1266.9 -- TWCABLE-BACKBONE - Road Runner HoldCo LLC 5 - AS14374 48402 2.7% 1210.0 -- AGRI-VALLEY - Agri-Valley Services Inc. 6 - AS55665 998 0.1% 998.0 -- STMI-AS-ID PT Sampoerna Telemedia Indonesia 7 - AS22733 910 0.1% 910.0 -- 8 - AS11553 888 0.1% 888.0 -- MANNATECH-AS MANNATECH 9 - AS57767 871 0.1% 871.0 -- RTTC-AS Federal State-owned Enterprise Russian Television and Radio Broadcasting Network 10 - AS44798 808 0.0% 808.0 -- PERVOMAYSK-AS PP "SKS-Pervomaysk" 11 - AS38364 1220 0.1% 610.0 -- CNNIC-LTEL-AP LONGTEL NETWORKS & TECHNOLOGIES LTD. 12 - AS38857 1121 0.1% 560.5 -- ESOFT-TRANSIT-AS-AP e.Soft Technologies Ltd. 13 - AS15825 2193 0.1% 548.2 -- UNSPECIFIED 14 - AS34369 1563 0.1% 521.0 -- SHATELIX SHATEL Internet Exchange 15 - AS27169 490 0.0% 490.0 -- TRIDENTAS - Trident Systems, Inc. 16 - AS52366 952 0.1% 476.0 -- Lunamen S.A. 17 - AS25600 454 0.0% 454.0 -- MATRIKON-1 - Matrikon Inc. 18 - AS37169 887 0.1% 443.5 -- SOLSI 19 - AS33377 866 0.1% 433.0 -- FHLBC - Federal Home Loan Bank of Chicago 20 - AS38455 830 0.1% 415.0 -- IPC-NETWORK-SERVICES-AS-AP IPC Network Services TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 130.36.34.0/24 11607 0.6% AS32528 -- ABBOTT Abbot Labs 2 - 130.36.35.0/24 11607 0.6% AS32528 -- ABBOTT Abbot Labs 3 - 204.234.0.0/17 11054 0.6% AS7029 -- WINDSTREAM - Windstream Communications Inc 4 - 62.36.252.0/22 8750 0.5% AS12479 -- UNI2-AS France Telecom Espana SA 5 - 205.107.121.0/24 7545 0.4% AS5976 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 6 - 122.161.0.0/16 6862 0.3% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 7 - 62.36.249.0/24 6450 0.3% AS12479 -- UNI2-AS France Telecom Espana SA 8 - 62.36.241.0/24 5921 0.3% AS12479 -- UNI2-AS France Telecom Espana SA 9 - 62.36.210.0/24 5674 0.3% AS12479 -- UNI2-AS France Telecom Espana SA 10 - 205.106.248.0/24 5466 0.3% AS5976 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 11 - 23.54.176.0/22 5267 0.3% AS7843 -- TWCABLE-BACKBONE - Road Runner HoldCo LLC 12 - 194.63.9.0/24 5145 0.3% AS1273 -- CW Cable and Wireless Worldwide plc 13 - 184.50.208.0/20 4913 0.2% AS7843 -- TWCABLE-BACKBONE - Road Runner HoldCo LLC 14 - 205.211.136.0/24 4864 0.2% AS6407 -- PRIMUS-AS6407 - Primus Telecommunications Canada Inc. 15 - 173.222.100.0/22 4828 0.2% AS7843 -- TWCABLE-BACKBONE - Road Runner HoldCo LLC 16 - 184.28.206.0/23 4826 0.2% AS7843 -- TWCABLE-BACKBONE - Road Runner HoldCo LLC 17 - 23.54.188.0/22 4718 0.2% AS7843 -- TWCABLE-BACKBONE - Road Runner HoldCo LLC 18 - 23.54.184.0/22 4718 0.2% AS7843 -- TWCABLE-BACKBONE - Road Runner HoldCo LLC 19 - 23.54.180.0/22 4717 0.2% AS7843 -- TWCABLE-BACKBONE - Road Runner HoldCo LLC 20 - 182.64.0.0/16 4495 0.2% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 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