BGP Update Report Interval: 05-Apr-12 -to- 12-Apr-12 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS14374 83320 4.5% 2450.6 -- AGRI-VALLEY - Agri-Valley Services Inc. 2 - AS1273 70309 3.8% 1528.5 -- CW Cable and Wireless Worldwide plc 3 - AS8402 60941 3.3% 33.9 -- CORBINA-AS OJSC "Vimpelcom" 4 - AS9829 42739 2.3% 49.4 -- BSNL-NIB National Internet Backbone 5 - AS12479 27970 1.5% 42.4 -- UNI2-AS France Telecom Espana SA 6 - AS32528 23005 1.2% 4601.0 -- ABBOTT Abbot Labs 7 - AS7552 17365 0.9% 18.8 -- VIETEL-AS-AP Vietel Corporation 8 - AS5800 16673 0.9% 50.8 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 9 - AS45899 16603 0.9% 50.8 -- VNPT-AS-VN VNPT Corp 10 - AS26615 16250 0.9% 18.9 -- Tim Celular S.A. 11 - AS4538 14831 0.8% 35.9 -- ERX-CERNET-BKB China Education and Research Network Center 12 - AS24560 14790 0.8% 28.9 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 13 - AS6503 12804 0.7% 21.1 -- Axtel, S.A.B. de C.V. 14 - AS18566 12465 0.7% 7.1 -- COVAD - Covad Communications Co. 15 - AS7029 12249 0.7% 8.8 -- WINDSTREAM - Windstream Communications Inc 16 - AS44798 10958 0.6% 10958.0 -- PERVOMAYSK-AS PP "SKS-Pervomaysk" 17 - AS5976 10116 0.6% 80.9 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 18 - AS17974 10026 0.5% 11.4 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 19 - AS3225 9288 0.5% 147.4 -- GULFNET-KUWAIT Gulfnet Kuwait 20 - AS8452 8759 0.5% 12.2 -- TE-AS TE-AS TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS44798 10958 0.6% 10958.0 -- PERVOMAYSK-AS PP "SKS-Pervomaysk" 2 - AS25600 7596 0.4% 7596.0 -- MATRIKON-1 - Matrikon Inc. 3 - AS21271 5969 0.3% 5969.0 -- SOTELMABGP 4 - AS32528 23005 1.2% 4601.0 -- ABBOTT Abbot Labs 5 - AS14374 83320 4.5% 2450.6 -- AGRI-VALLEY - Agri-Valley Services Inc. 6 - AS33377 4500 0.2% 2250.0 -- FHLBC - Federal Home Loan Bank of Chicago 7 - AS1273 70309 3.8% 1528.5 -- CW Cable and Wireless Worldwide plc 8 - AS17408 3179 0.2% 1059.7 -- ABOVE-AS-AP AboveNet Communications Taiwan 9 - AS55665 969 0.1% 969.0 -- STMI-AS-ID PT Sampoerna Telemedia Indonesia 10 - AS4658 900 0.1% 900.0 -- NETFRONT-AS Netfront Information Technology Limited, 11 - AS32040 878 0.1% 878.0 -- TRENTON-TELEPHONE - Trenton Telephone Company 12 - AS28666 6063 0.3% 866.1 -- HOSTLOCATION LTDA 13 - AS29933 2576 0.1% 858.7 -- OFF-CAMPUS-TELECOMMUNICATIONS - Off Campus Telecommunications 14 - AS57767 828 0.0% 828.0 -- RTTC-AS Federal State-owned Enterprise Russian Television and Radio Broadcasting Network 15 - AS13263 3660 0.2% 732.0 -- HAYATNET-AS HayatNet Bilgi ve Iletisim Hizmetleri A.S 16 - AS8657 725 0.0% 725.0 -- CPRM CPRM Autonomous System 17 - AS32837 1742 0.1% 580.7 -- WCL-50-AS - Williams & Connolly, LLP 18 - AS27169 578 0.0% 578.0 -- TRIDENTAS - Trident Systems, Inc. 19 - AS32807 554 0.0% 554.0 -- ASN-INTERFACE-INC - INTERFACE INCORPORATED 20 - AS38857 1101 0.1% 550.5 -- ESOFT-TRANSIT-AS-AP e.Soft Technologies Ltd. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 130.36.34.0/24 11493 0.6% AS32528 -- ABBOTT Abbot Labs 2 - 130.36.35.0/24 11493 0.6% AS32528 -- ABBOTT Abbot Labs 3 - 91.202.212.0/22 10958 0.6% AS44798 -- PERVOMAYSK-AS PP "SKS-Pervomaysk" 4 - 62.36.252.0/22 8436 0.4% AS12479 -- UNI2-AS France Telecom Espana SA 5 - 206.75.46.0/24 7596 0.4% AS25600 -- MATRIKON-1 - Matrikon Inc. 6 - 122.161.0.0/16 7052 0.4% 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 - 217.64.96.0/20 5969 0.3% AS21271 -- SOTELMABGP 9 - 62.36.241.0/24 5934 0.3% AS12479 -- UNI2-AS France Telecom Espana SA 10 - 194.63.9.0/24 5764 0.3% AS1273 -- CW Cable and Wireless Worldwide plc 11 - 62.36.210.0/24 5704 0.3% AS12479 -- UNI2-AS France Telecom Espana SA 12 - 204.234.0.0/17 5516 0.3% AS7029 -- WINDSTREAM - Windstream Communications Inc 13 - 202.56.215.0/24 3389 0.2% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 14 - 202.153.174.0/24 3175 0.2% AS17408 -- ABOVE-AS-AP AboveNet Communications Taiwan 15 - 194.63.112.0/24 2803 0.1% AS1273 -- CW Cable and Wireless Worldwide plc 16 - 194.63.16.0/24 2803 0.1% AS1273 -- CW Cable and Wireless Worldwide plc 17 - 194.63.119.0/24 2803 0.1% AS1273 -- CW Cable and Wireless Worldwide plc 18 - 194.63.20.0/24 2803 0.1% AS1273 -- CW Cable and Wireless Worldwide plc 19 - 194.63.118.0/24 2803 0.1% AS1273 -- CW Cable and Wireless Worldwide plc 20 - 194.63.0.0/24 2803 0.1% AS1273 -- CW Cable and Wireless Worldwide plc 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