BGP Update Report Interval: 02-Jun-11 -to- 09-Jun-11 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS19743 33461 2.4% 5576.8 -- 2 - AS7184 31256 2.3% 538.9 -- Universidad Verecruzana 3 - AS9829 22167 1.6% 26.2 -- BSNL-NIB National Internet Backbone 4 - AS27738 16576 1.2% 48.9 -- Ecuadortelecom S.A. 5 - AS32528 16367 1.2% 2045.9 -- ABBOTT Abbot Labs 6 - AS7029 15057 1.1% 7.8 -- WINDSTREAM - Windstream Communications Inc 7 - AS4766 14915 1.1% 6.3 -- KIXS-AS-KR Korea Telecom 8 - AS33475 13665 1.0% 99.0 -- RSN-1 - RockSolid Network, Inc. 9 - AS9498 13223 1.0% 25.7 -- BBIL-AP BHARTI Airtel Ltd. 10 - AS17974 12061 0.9% 23.1 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 11 - AS24560 11947 0.9% 23.1 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 12 - AS11492 10573 0.8% 18.1 -- CABLEONE - CABLE ONE, INC. 13 - AS14420 10259 0.8% 15.2 -- CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP 14 - AS3320 9990 0.7% 285.4 -- DTAG Deutsche Telekom AG 15 - AS15475 9873 0.7% 17.7 -- NOL 16 - AS45595 9187 0.7% 30.3 -- PKTELECOM-AS-PK Pakistan Telecom Company Limited 17 - AS9228 8969 0.7% 332.2 -- CENTRALONLINE-ID-AS-AP PT. Total Info Kharisma 18 - AS8551 8070 0.6% 25.1 -- BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone 19 - AS4788 7758 0.6% 5.1 -- TMNET-AS-AP TM Net, Internet Service Provider 20 - AS3454 7439 0.5% 7439.0 -- Universidad Autonoma de Nuevo Leon TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS3454 7439 0.5% 7439.0 -- Universidad Autonoma de Nuevo Leon 2 - AS19743 33461 2.4% 5576.8 -- 3 - AS32528 16367 1.2% 2045.9 -- ABBOTT Abbot Labs 4 - AS17408 3479 0.2% 1739.5 -- ABOVE-AS-AP AboveNet Communications Taiwan 5 - AS24666 6687 0.5% 1671.8 -- AXA-AS AXA Luxembourg S.A 6 - AS51722 1668 0.1% 1668.0 -- EAD-TELECOM-AS EAD TELECOM SRL 7 - AS44100 1044 0.1% 1044.0 -- ARIELTV-AS Ariel TV AD 8 - AS38388 2837 0.2% 945.7 -- BEN-AS-KR Bukbu District Office of Education in Seoul 9 - AS49600 901 0.1% 901.0 -- LASEDA La Seda de Barcelona, S.A 10 - AS42934 739 0.1% 739.0 -- SSIF-AS CONFIDENT INVEST Bucuresti SA 11 - AS39263 657 0.1% 657.0 -- ILIMIT Ilimit Comunicacions, S.L. Barcelona Spain 12 - AS3 596 0.0% 735.0 -- RC-IKT RC IKT, d.o.o. 13 - AS5313 547 0.0% 547.0 -- DNIC-ASBLK-05120-05376 - DoD Network Information Center 14 - AS7184 31256 2.3% 538.9 -- Universidad Verecruzana 15 - AS10445 2400 0.2% 480.0 -- HTG - Huntleigh Telcom 16 - AS56050 455 0.0% 455.0 -- NEW-SHINE-INTERNET-TH 134 Yenchit Road 17 - AS44584 1764 0.1% 441.0 -- PTLINE-AS Progress Tehnologiya LLC 18 - AS38021 439 0.0% 439.0 -- IIFTNET-AS-AP Network of Indian Institute of Foreign Trade, 19 - AS28519 1286 0.1% 428.7 -- Universidad Autonoma de Guadalajara, A.C. 20 - AS37178 766 0.1% 383.0 -- ALPHA-BETA-CONSULTING TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 202.92.235.0/24 11703 0.8% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 2 - 91.217.214.0/24 9547 0.6% AS3320 -- DTAG Deutsche Telekom AG 3 - 130.36.34.0/24 8173 0.6% AS32528 -- ABBOTT Abbot Labs 4 - 130.36.35.0/24 8169 0.6% AS32528 -- ABBOTT Abbot Labs 5 - 200.23.202.0/24 7439 0.5% AS3454 -- Universidad Autonoma de Nuevo Leon 6 - 65.122.196.0/24 6386 0.4% AS19743 -- 7 - 65.163.182.0/24 5418 0.4% AS19743 -- 8 - 65.162.204.0/24 5416 0.4% AS19743 -- 9 - 72.164.144.0/24 5415 0.4% AS19743 -- 10 - 66.238.91.0/24 5414 0.4% AS19743 -- 11 - 66.89.98.0/24 5412 0.4% AS19743 -- 12 - 202.153.174.0/24 3478 0.2% AS17408 -- ABOVE-AS-AP AboveNet Communications Taiwan 13 - 195.39.244.0/24 2136 0.1% AS24666 -- AXA-AS AXA Luxembourg S.A 14 - 193.110.190.0/24 2134 0.1% AS24666 -- AXA-AS AXA Luxembourg S.A 15 - 65.181.192.0/23 2111 0.1% AS11492 -- CABLEONE - CABLE ONE, INC. 16 - 77.81.5.0/24 1668 0.1% AS51722 -- EAD-TELECOM-AS EAD TELECOM SRL 17 - 202.54.86.0/24 1408 0.1% AS4755 -- TATACOMM-AS TATA Communications formerly VSNL is Leading ISP 18 - 24.116.1.0/24 1405 0.1% AS11492 -- CABLEONE - CABLE ONE, INC. 19 - 24.116.2.0/24 1373 0.1% AS11492 -- CABLEONE - CABLE ONE, INC. 20 - 1.231.14.0/24 1246 0.1% AS38388 -- BEN-AS-KR Bukbu District Office of Education in Seoul 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