BGP Update Report Interval: 21-Jul-12 -to- 25-Jul-12 (4 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS8402 31474 1.4% 17.8 -- CORBINA-AS OJSC "Vimpelcom" 2 - AS1637 30729 1.4% 284.5 -- DNIC-AS-01637 - Headquarters, USAISC 3 - AS17813 29341 1.3% 215.7 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 4 - AS47931 25100 1.1% 204.1 -- ALENETWORK A.L.E. COM NETWORK S.R.L 5 - AS9829 21569 0.9% 16.5 -- BSNL-NIB National Internet Backbone 6 - AS24560 19759 0.9% 19.1 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 7 - AS7029 15412 0.7% 4.4 -- WINDSTREAM - Windstream Communications Inc 8 - AS7552 13226 0.6% 11.7 -- VIETEL-AS-AP Vietel Corporation 9 - AS13118 11776 0.5% 245.3 -- ASN-YARTELECOM OJSC Rostelecom 10 - AS6458 11752 0.5% 13.3 -- Telgua 11 - AS27738 11509 0.5% 20.7 -- Ecuadortelecom S.A. 12 - AS48277 11271 0.5% 201.3 -- SOREX SOREX MEDIA S.R.L. 13 - AS49074 10768 0.5% 219.8 -- TECHNOLOGICAL SC TECHNOLOGICAL SRL 14 - AS6389 10345 0.5% 3.1 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 15 - AS28573 9562 0.4% 4.7 -- NET Servicos de Comunicao S.A. 16 - AS10620 9514 0.4% 4.7 -- Telmex Colombia S.A. 17 - AS5800 8667 0.4% 33.6 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 18 - AS4766 8347 0.4% 3.0 -- KIXS-AS-KR Korea Telecom 19 - AS8151 8307 0.4% 5.6 -- Uninet S.A. de C.V. 20 - AS43875 8261 0.4% 206.5 -- DATAINFO-ASN SC Data Media Info SRL TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS16535 3364 0.1% 1121.3 -- ECHOS-3 - Echostar Holding Purchasing Corporation 2 - AS44410 2654 0.1% 884.7 -- ENTEKHAB-AS ENTEKHAB INDUSTRIAL GROUP 3 - AS43348 1752 0.1% 876.0 -- TATARINOVA-AS PE Tatarinova Alla Ivanovna 4 - AS49072 837 0.0% 837.0 -- APSUARA-AS TCA Apsuara Ltd. 5 - AS54037 770 0.0% 770.0 -- CAREER-GROUP-INC - CAREER GROUP INC 6 - AS14452 6312 0.3% 701.3 -- IOS-ASN - INTERNET OF THE SANDHILLS 7 - AS26184 645 0.0% 645.0 -- ASA-HQAS - American Society of Anesthesiologists 8 - AS58655 1160 0.1% 580.0 -- SKYTEL6-BD SkyTel Communications Limited 9 - AS51250 552 0.0% 552.0 -- ITE-PROTON-AS "Information technologies enterprise "Proton" LTD 10 - AS3 440 0.0% 759.0 -- RESENNET-AS ResenNet Aps 11 - AS42806 411 0.0% 411.0 -- TELECOM-AS Telecom Georgia 12 - AS38857 775 0.0% 387.5 -- ESOFT-TRANSIT-AS-AP e.Soft Technologies Ltd. 13 - AS23007 888 0.0% 296.0 -- Universidad de Los Andes 14 - AS4 296 0.0% 51.0 -- COMUNICALO DE MEXICO S.A. DE C.V 15 - AS27890 576 0.0% 288.0 -- Universidad de Oriente 16 - AS1637 30729 1.4% 284.5 -- DNIC-AS-01637 - Headquarters, USAISC 17 - AS23237 1117 0.1% 279.2 -- MCMASTER - McMaster University 18 - AS29398 277 0.0% 277.0 -- PETROBALTIC "Petrobaltic" S.A. 19 - AS34744 5440 0.2% 247.3 -- GVM S.C. GVM SISTEM 2003 S.R.L. 20 - AS50704 1723 0.1% 246.1 -- BENEFIC-INTERNET Benefic Consult SRL TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 109.161.64.0/19 11364 0.5% AS13118 -- ASN-YARTELECOM OJSC Rostelecom 2 - 59.176.0.0/14 6407 0.3% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 3 - 182.64.0.0/16 6060 0.3% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 4 - 122.161.0.0/16 6034 0.3% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 5 - 200.46.0.0/19 5790 0.2% AS21599 -- NETDIRECT S.A. 6 - 59.177.0.0/16 4822 0.2% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 7 - 202.56.215.0/24 3646 0.1% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 8 - 67.47.194.0/23 3358 0.1% AS16535 -- ECHOS-3 - Echostar Holding Purchasing Corporation 9 - 59.177.0.0/18 3349 0.1% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 10 - 123.252.208.0/24 3197 0.1% AS17762 -- HTIL-TTML-IN-AP Tata Teleservices Maharashtra Ltd 11 - 59.177.48.0/20 3103 0.1% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 12 - 139.139.19.0/24 3086 0.1% AS1562 -- DNIC-ASBLK-01550-01601 - DoD Network Information Center 13 - 194.63.9.0/24 2924 0.1% AS1273 -- CW Cable and Wireless Worldwide plc 14 - 65.82.30.0/24 2511 0.1% AS6197 -- BATI-ATL - BellSouth Network Solutions, Inc 15 - 69.38.178.0/24 2427 0.1% AS19406 -- TWRS-MA - Towerstream I, Inc. 16 - 115.170.128.0/17 1829 0.1% AS4847 -- CNIX-AP China Networks Inter-Exchange 17 - 59.177.0.0/19 1819 0.1% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 18 - 59.177.64.0/18 1695 0.1% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 19 - 59.177.144.0/20 1630 0.1% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 20 - 78.111.6.0/23 1575 0.1% AS44410 -- ENTEKHAB-AS ENTEKHAB INDUSTRIAL GROUP 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