BGP Update Report Interval: 21-Jul-12 -to- 26-Jul-12 (5 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS1637 39517 1.6% 365.9 -- DNIC-AS-01637 - Headquarters, USAISC 2 - AS17813 36407 1.4% 267.7 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 3 - AS8402 36092 1.4% 20.4 -- CORBINA-AS OJSC "Vimpelcom" 4 - AS47931 25100 1.0% 204.1 -- ALENETWORK A.L.E. COM NETWORK S.R.L 5 - AS9829 24636 1.0% 18.9 -- BSNL-NIB National Internet Backbone 6 - AS24560 23244 0.9% 22.4 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 7 - AS7029 18201 0.7% 5.1 -- WINDSTREAM - Windstream Communications Inc 8 - AS7552 15306 0.6% 13.5 -- VIETEL-AS-AP Vietel Corporation 9 - AS13118 14259 0.6% 297.1 -- ASN-YARTELECOM OJSC Rostelecom 10 - AS28573 13041 0.5% 6.3 -- NET Servicos de Comunicao S.A. 11 - AS6458 12662 0.5% 14.3 -- Telgua 12 - AS27738 11509 0.5% 20.7 -- Ecuadortelecom S.A. 13 - AS48277 11273 0.5% 201.3 -- SOREX SOREX MEDIA S.R.L. 14 - AS49074 10768 0.4% 219.8 -- TECHNOLOGICAL SC TECHNOLOGICAL SRL 15 - AS13979 10640 0.4% 3.4 -- ATT-IPFR - AT&T Services, Inc. 16 - AS6389 10419 0.4% 3.1 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 17 - AS5800 10203 0.4% 39.5 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 18 - AS18566 9878 0.4% 4.7 -- COVAD - Covad Communications Co. 19 - AS10620 9731 0.4% 4.8 -- Telmex Colombia S.A. 20 - AS8151 9158 0.4% 6.1 -- Uninet S.A. de C.V. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS16535 4402 0.2% 1467.3 -- ECHOS-3 - Echostar Holding Purchasing Corporation 2 - AS44410 3241 0.1% 1080.3 -- ENTEKHAB-AS ENTEKHAB INDUSTRIAL GROUP 3 - AS49072 921 0.0% 921.0 -- APSUARA-AS TCA Apsuara Ltd. 4 - AS43348 1752 0.1% 876.0 -- TATARINOVA-AS PE Tatarinova Alla Ivanovna 5 - AS54037 841 0.0% 841.0 -- CAREER-GROUP-INC - CAREER GROUP INC 6 - AS26184 703 0.0% 703.0 -- ASA-HQAS - American Society of Anesthesiologists 7 - AS14452 6312 0.2% 701.3 -- IOS-ASN - INTERNET OF THE SANDHILLS 8 - AS58655 1204 0.1% 602.0 -- SKYTEL6-BD SkyTel Communications Limited 9 - AS51250 583 0.0% 583.0 -- ITE-PROTON-AS "Information technologies enterprise "Proton" LTD 10 - AS38857 1082 0.0% 541.0 -- ESOFT-TRANSIT-AS-AP e.Soft Technologies Ltd. 11 - AS56588 442 0.0% 442.0 -- EE-IC Estonian Informatics Centre 12 - AS3 440 0.0% 759.0 -- YUPITER-AS Yu-Piter ltd. 13 - AS42806 428 0.0% 428.0 -- TELECOM-AS Telecom Georgia 14 - AS1637 39517 1.6% 365.9 -- DNIC-AS-01637 - Headquarters, USAISC 15 - AS29398 327 0.0% 327.0 -- PETROBALTIC "Petrobaltic" S.A. 16 - AS13118 14259 0.6% 297.1 -- ASN-YARTELECOM OJSC Rostelecom 17 - AS23007 888 0.0% 296.0 -- Universidad de Los Andes 18 - AS4 296 0.0% 51.0 -- COMUNICALO DE MEXICO S.A. DE C.V 19 - AS27890 576 0.0% 288.0 -- Universidad de Oriente 20 - AS57201 281 0.0% 281.0 -- EDF-AS Estonian Defence Forces TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 109.161.64.0/19 13690 0.5% AS13118 -- ASN-YARTELECOM OJSC Rostelecom 2 - 59.176.0.0/14 7722 0.3% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 3 - 182.64.0.0/16 7432 0.3% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 4 - 122.161.0.0/16 7428 0.3% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 5 - 200.46.0.0/19 7057 0.3% AS21599 -- NETDIRECT S.A. 6 - 59.177.0.0/16 5820 0.2% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 7 - 67.47.194.0/23 4396 0.2% AS16535 -- ECHOS-3 - Echostar Holding Purchasing Corporation 8 - 202.56.215.0/24 4324 0.2% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 9 - 59.177.0.0/18 4155 0.2% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 10 - 123.252.208.0/24 3922 0.1% AS17762 -- HTIL-TTML-IN-AP Tata Teleservices Maharashtra Ltd 11 - 59.177.48.0/20 3872 0.1% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 12 - 139.139.19.0/24 3828 0.1% AS1562 -- DNIC-ASBLK-01550-01601 - DoD Network Information Center 13 - 194.63.9.0/24 3636 0.1% AS1273 -- CW Cable and Wireless Worldwide plc 14 - 65.82.30.0/24 3007 0.1% AS6197 -- BATI-ATL - BellSouth Network Solutions, Inc 15 - 69.38.178.0/24 2960 0.1% AS19406 -- TWRS-MA - Towerstream I, Inc. 16 - 59.177.0.0/19 2234 0.1% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 17 - 115.170.128.0/17 2192 0.1% AS4847 -- CNIX-AP China Networks Inter-Exchange 18 - 59.177.64.0/18 2106 0.1% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 19 - 202.159.215.0/24 2006 0.1% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 20 - 59.177.144.0/20 2006 0.1% AS17813 -- MTNL-AP Mahanagar Telephone Nigam Ltd. 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
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