BGP Update Report Interval: 02-Aug-12 -to- 09-Aug-12 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS158 73992 2.9% 860.4 -- ERI-AS - Ericsson Network Systems, Inc. 2 - AS8402 48522 1.9% 28.2 -- CORBINA-AS OJSC "Vimpelcom" 3 - AS5639 39608 1.6% 158.4 -- Telecommunication Services of Trinidad and Tobago 4 - AS24560 35652 1.4% 34.3 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 5 - AS9829 31049 1.2% 23.7 -- BSNL-NIB National Internet Backbone 6 - AS5800 29524 1.2% 105.4 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 7 - AS17974 26169 1.0% 11.3 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 8 - AS7303 25667 1.0% 17.4 -- Telecom Argentina S.A. 9 - AS7552 24892 1.0% 21.7 -- VIETEL-AS-AP Vietel Corporation 10 - AS13118 20463 0.8% 426.3 -- ASN-YARTELECOM OJSC Rostelecom 11 - AS7029 20311 0.8% 4.5 -- WINDSTREAM - Windstream Communications Inc 12 - AS17813 18826 0.8% 138.4 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 13 - AS174 15829 0.6% 7.4 -- COGENT Cogent/PSI 14 - AS8151 13742 0.6% 9.2 -- Uninet S.A. de C.V. 15 - AS21599 12081 0.5% 67.9 -- NETDIRECT S.A. 16 - AS28573 11903 0.5% 5.5 -- NET Servicos de Comunicao S.A. 17 - AS28885 11634 0.5% 84.3 -- OMANTEL-NAP-AS OmanTel NAP 18 - AS4755 11462 0.5% 6.7 -- TATACOMM-AS TATA Communications formerly VSNL is Leading ISP 19 - AS27065 10800 0.4% 78.3 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 20 - AS6389 10704 0.4% 3.2 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS16535 7530 0.3% 2510.0 -- ECHOS-3 - Echostar Holding Purchasing Corporation 2 - AS44410 4360 0.2% 1453.3 -- ENTEKHAB-AS ENTEKHAB INDUSTRIAL GROUP 3 - AS38844 5293 0.2% 1058.6 -- NTNU-TW National Taiwan Normal University 4 - AS31574 953 0.0% 953.0 -- SE-BGC-AS Bankgirocentralen BGC AB 5 - AS38857 1877 0.1% 938.5 -- ESOFT-TRANSIT-AS-AP e.Soft Technologies Ltd. 6 - AS34029 927 0.0% 927.0 -- IBXNORDIC-AS IBX Group AB 7 - AS28680 1790 0.1% 895.0 -- IKEA-AS Ikea Corporate Network 8 - AS34228 861 0.0% 861.0 -- SERVERA-AS Servera R&S AB 9 - AS158 73992 2.9% 860.4 -- ERI-AS - Ericsson Network Systems, Inc. 10 - AS29126 753 0.0% 753.0 -- DATIQ-AS Datiq B.V. 11 - AS45808 699 0.0% 699.0 -- UTP-MY Bandar Seri Iskandar 12 - AS27771 1320 0.1% 660.0 -- Instituto Venezolano de Investigaciones Cientificas 13 - AS6410 1135 0.1% 567.5 -- ASICOM - ASI COMMUNICATIONS 14 - AS21871 540 0.0% 540.0 -- IPGMO - THE INTERPUBLIC GROUP OF COMPANIES, INC. 15 - AS32837 1475 0.1% 491.7 -- WCL-50-AS - Williams & Connolly, LLP 16 - AS32529 475 0.0% 475.0 -- CGI-FEDERAL-ASN-1 - CGI Federal 17 - AS29398 465 0.0% 465.0 -- PETROBALTIC "Petrobaltic" S.A. 18 - AS21023 441 0.0% 441.0 -- UPB-AS Joint Stock Company Ural Industrial Bank 19 - AS42467 879 0.0% 439.5 -- PAT-AS PLUGANDTEL 20 - AS13118 20463 0.8% 426.3 -- ASN-YARTELECOM OJSC Rostelecom TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 109.161.64.0/19 20128 0.7% AS13118 -- ASN-YARTELECOM OJSC Rostelecom 2 - 122.161.0.0/16 10946 0.4% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 3 - 182.64.0.0/16 10800 0.4% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 4 - 200.46.0.0/19 10647 0.4% AS21599 -- NETDIRECT S.A. 5 - 67.47.194.0/23 7524 0.3% AS16535 -- ECHOS-3 - Echostar Holding Purchasing Corporation 6 - 202.56.215.0/24 6451 0.2% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 7 - 59.177.48.0/20 6261 0.2% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 8 - 123.252.208.0/24 5717 0.2% AS17762 -- HTIL-TTML-IN-AP Tata Teleservices Maharashtra Ltd 9 - 139.139.19.0/24 5684 0.2% AS1562 -- DNIC-ASBLK-01550-01601 - DoD Network Information Center 10 - 194.63.9.0/24 5281 0.2% AS1273 -- CW Cable and Wireless Worldwide plc 11 - 69.38.178.0/24 4092 0.1% AS19406 -- TWRS-MA - Towerstream I, Inc. 12 - 184.159.130.0/23 3849 0.1% AS22561 -- DIGITAL-TELEPORT - Digital Teleport Inc. 13 - 190.59.56.0/21 3290 0.1% AS5639 -- Telecommunication Services of Trinidad and Tobago 14 - 190.59.48.0/21 3290 0.1% AS5639 -- Telecommunication Services of Trinidad and Tobago 15 - 190.59.32.0/21 3290 0.1% AS5639 -- Telecommunication Services of Trinidad and Tobago 16 - 190.59.40.0/21 3290 0.1% AS5639 -- Telecommunication Services of Trinidad and Tobago 17 - 190.59.24.0/21 3289 0.1% AS5639 -- Telecommunication Services of Trinidad and Tobago 18 - 186.45.208.0/21 3289 0.1% AS5639 -- Telecommunication Services of Trinidad and Tobago 19 - 190.59.16.0/21 3289 0.1% AS5639 -- Telecommunication Services of Trinidad and Tobago 20 - 186.45.232.0/21 3289 0.1% AS5639 -- Telecommunication Services of Trinidad and Tobago 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