BGP Update Report Interval: 26-May-11 -to- 02-Jun-11 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9829 57552 3.9% 88.8 -- BSNL-NIB National Internet Backbone 2 - AS33475 45744 3.1% 333.9 -- RSN-1 - RockSolid Network, Inc. 3 - AS24560 33904 2.3% 29.7 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 4 - AS19743 33903 2.3% 5650.5 -- 5 - AS9498 27999 1.9% 34.4 -- BBIL-AP BHARTI Airtel Ltd. 6 - AS27738 22165 1.5% 65.4 -- Ecuadortelecom S.A. 7 - AS17974 17751 1.2% 12.1 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 8 - AS11492 17633 1.2% 15.9 -- CABLEONE - CABLE ONE, INC. 9 - AS32528 15576 1.1% 2596.0 -- ABBOTT Abbot Labs 10 - AS3320 9731 0.7% 405.5 -- DTAG Deutsche Telekom AG 11 - AS17488 9398 0.6% 25.4 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 12 - AS2697 9387 0.6% 69.5 -- ERX-ERNET-AS Education and Research Network 13 - AS45514 8527 0.6% 28.0 -- TELEMEDIA-SMB-AS-AP Bharti Airtel Ltd., TELEMEDIA Services, for SMB customers 14 - AS45595 8318 0.6% 81.5 -- PKTELECOM-AS-PK Pakistan Telecom Company Limited 15 - AS27065 7747 0.5% 73.8 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 16 - AS3454 7635 0.5% 7635.0 -- Universidad Autonoma de Nuevo Leon 17 - AS7552 7577 0.5% 7.2 -- VIETEL-AS-AP Vietel Corporation 18 - AS701 7050 0.5% 119.5 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 19 - AS8151 6906 0.5% 7.1 -- Uninet S.A. de C.V. 20 - AS18002 6859 0.5% 43.7 -- WORLDPHONE-IN AS Number for Interdomain Routing TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS3454 7635 0.5% 7635.0 -- Universidad Autonoma de Nuevo Leon 2 - AS19743 33903 2.3% 5650.5 -- 3 - AS32528 15576 1.1% 2596.0 -- ABBOTT Abbot Labs 4 - AS31815 2624 0.2% 1312.0 -- MEDIATEMPLE - Media Temple, Inc. 5 - AS51722 1118 0.1% 1118.0 -- EAD-TELECOM-AS EAD TELECOM SRL 6 - AS24919 3679 0.2% 919.8 -- CUBIO-AS Oy Cubio Communications Ltd. 7 - AS49600 869 0.1% 869.0 -- LASEDA La Seda de Barcelona, S.A 8 - AS50347 781 0.1% 781.0 -- ZONTERRA-AS Zonterra Corp SRL 9 - AS21429 768 0.1% 768.0 -- SICOB Sicob S.r.l. Autonomous System 10 - AS38789 723 0.1% 723.0 -- IAHGAMES-AS-ID IAHGames Indonesia PT 11 - AS46820 617 0.0% 617.0 -- LRHNET1 - Littleton Regional Hospital 12 - AS3 588 0.0% 735.0 -- TELLUS-AS Tellus BV 13 - AS10445 2362 0.2% 472.4 -- HTG - Huntleigh Telcom 14 - AS3320 9731 0.7% 405.5 -- DTAG Deutsche Telekom AG 15 - AS48068 401 0.0% 401.0 -- VISONIC Visonic Ltd 16 - AS8745 366 0.0% 366.0 -- AS-BG-BAS BASNET autonomous system Bulgaria 17 - AS36948 721 0.1% 360.5 -- KENIC 18 - AS36372 353 0.0% 353.0 -- VENYU-3 - Venyu Solutions Inc. 19 - AS38388 3015 0.2% 335.0 -- BEN-AS-KR Bukbu District Office of Education in Seoul 20 - AS33475 45744 3.1% 333.9 -- RSN-1 - RockSolid Network, Inc. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 202.92.235.0/24 11224 0.7% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 2 - 91.217.214.0/24 9569 0.6% AS3320 -- DTAG Deutsche Telekom AG 3 - 130.36.35.0/24 7783 0.5% AS32528 -- ABBOTT Abbot Labs 4 - 130.36.34.0/24 7781 0.5% AS32528 -- ABBOTT Abbot Labs 5 - 200.23.202.0/24 7635 0.5% AS3454 -- Universidad Autonoma de Nuevo Leon 6 - 208.54.82.0/24 6800 0.4% AS701 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 7 - 65.122.196.0/24 6418 0.4% AS19743 -- 8 - 72.164.144.0/24 5504 0.3% AS19743 -- 9 - 66.238.91.0/24 5497 0.3% AS19743 -- 10 - 66.89.98.0/24 5495 0.3% AS19743 -- 11 - 65.163.182.0/24 5495 0.3% AS19743 -- 12 - 65.162.204.0/24 5494 0.3% AS19743 -- 13 - 202.153.174.0/24 3413 0.2% AS17408 -- ABOVE-AS-AP AboveNet Communications Taiwan 14 - 205.91.160.0/20 2984 0.2% AS5976 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 15 - 65.181.192.0/23 2041 0.1% AS11492 -- CABLEONE - CABLE ONE, INC. 16 - 77.74.144.0/24 1536 0.1% AS21429 -- SICOB Sicob S.r.l. Autonomous System AS5396 -- MC-LINK MC-link Spa 17 - 192.80.43.0/24 1508 0.1% AS1706 -- UNIV-ARIZ - University of Arizona 18 - 24.116.2.0/24 1497 0.1% AS11492 -- CABLEONE - CABLE ONE, INC. 19 - 24.116.1.0/24 1388 0.1% AS11492 -- CABLEONE - CABLE ONE, INC. 20 - 190.15.21.128/26 1360 0.1% AS27817 -- Red Nacional Académica de Tecnología Avanzada - RENATA 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