BGP Update Report Interval: 22-Apr-10 -to- 29-Apr-10 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS35805 29526 2.2% 47.9 -- UTG-AS United Telecom AS 2 - AS17672 21731 1.6% 835.8 -- CHINATELECOM-HE-AS-AP asn for Hebei Provincial Net of CT 3 - AS9829 19342 1.5% 21.6 -- BSNL-NIB National Internet Backbone 4 - AS2018 19175 1.5% 88.4 -- TENET-1 5 - AS30890 15316 1.2% 36.0 -- EVOLVA Evolva Telecom s.r.l. 6 - AS38494 14916 1.1% 3729.0 -- BBGISA-AS-ID-AP PT. Bakrie & Brothers, Tbk 7 - AS22300 14653 1.1% 4884.3 -- WIKIA - Wikia, Inc. 8 - AS23700 13773 1.1% 31.4 -- BM-AS-ID PT. Broadband Multimedia, Tbk 9 - AS24560 13328 1.0% 15.0 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 10 - AS8452 12561 1.0% 12.0 -- TEDATA TEDATA 11 - AS28477 11673 0.9% 1297.0 -- Universidad Autonoma del Esstado de Morelos 12 - AS4795 9791 0.8% 40.1 -- INDOSATM2-ID INDOSATM2 ASN 13 - AS9498 9475 0.7% 13.9 -- BBIL-AP BHARTI Airtel Ltd. 14 - AS22047 8711 0.7% 40.5 -- VTR BANDA ANCHA S.A. 15 - AS7018 8662 0.7% 13.4 -- ATT-INTERNET4 - AT&T WorldNet Services 16 - AS12479 8631 0.7% 454.3 -- UNI2-AS Uni2 - Lince telecomunicaciones 17 - AS26025 8454 0.6% 8454.0 -- COC - City of Calgary 18 - AS16569 8355 0.6% 8355.0 -- ASN-CITY-OF-CALGARY - City of Calgary 19 - AS25620 7362 0.6% 43.6 -- COTAS LTDA. 20 - AS36992 7033 0.5% 11.3 -- ETISALAT-MISR TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS26025 8454 0.6% 8454.0 -- COC - City of Calgary 2 - AS16569 8355 0.6% 8355.0 -- ASN-CITY-OF-CALGARY - City of Calgary 3 - AS50531 5707 0.4% 5707.0 -- FAST-L-AS1 Limited Liabilily Company "FastLine" 4 - AS8588 5638 0.4% 5638.0 -- JD_ABRA_EU-AS Abra S.A. 5 - AS49121 5530 0.4% 5530.0 -- ACADEMY-AS PE Pavlovskaya Natalia Leonidovna 6 - AS22300 14653 1.1% 4884.3 -- WIKIA - Wikia, Inc. 7 - AS38494 14916 1.1% 3729.0 -- BBGISA-AS-ID-AP PT. Bakrie & Brothers, Tbk 8 - AS48754 2223 0.2% 2223.0 -- SOBIS-AS SC SOBIS SOLUTIONS SRL 9 - AS19171 1657 0.1% 1657.0 -- STARGATE-VAN - Stargate Connections Inc. 10 - AS28477 11673 0.9% 1297.0 -- Universidad Autonoma del Esstado de Morelos 11 - AS8100 3814 0.3% 1271.3 -- IPTELLIGENT - IPTelligent LLC 12 - AS9814 3223 0.2% 1074.3 -- FIBRLINK Beijing FibrLINK Networks Co.,Ltd. 13 - AS30341 2064 0.2% 1032.0 -- SCTA-ASN - South Central Telephone Association 14 - AS45670 900 0.1% 900.0 -- SOFTCRYLICNET1-IN #160,North Usman Road, Third Floor 15 - AS17672 21731 1.6% 835.8 -- CHINATELECOM-HE-AS-AP asn for Hebei Provincial Net of CT 16 - AS28671 760 0.1% 760.0 -- Konecta Telecomunicações Ltda 17 - AS28052 756 0.1% 756.0 -- Arte Radiotelevisivo Argentino 18 - AS26598 4079 0.3% 582.7 -- Its Brasil Tecnologia 19 - AS50139 576 0.0% 576.0 -- E-ARENA National association of research scientific and educational electronic infrastructures "E-ARENA" 20 - AS5429 559 0.0% 559.0 -- IIP-NET-AS5429 South Moscow Backbone Network TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 200.13.36.0/24 11633 0.8% AS28477 -- Universidad Autonoma del Esstado de Morelos 2 - 208.98.231.0/24 8454 0.6% AS26025 -- COC - City of Calgary 3 - 208.98.230.0/24 8355 0.6% AS16569 -- ASN-CITY-OF-CALGARY - City of Calgary 4 - 216.83.57.0/24 7327 0.5% AS22300 -- WIKIA - Wikia, Inc. 5 - 216.83.58.0/24 7325 0.5% AS22300 -- WIKIA - Wikia, Inc. 6 - 193.232.102.0/23 5707 0.4% AS50531 -- FAST-L-AS1 Limited Liabilily Company "FastLine" 7 - 91.208.133.0/24 5638 0.4% AS8588 -- JD_ABRA_EU-AS Abra S.A. 8 - 91.212.142.0/24 5530 0.4% AS49121 -- ACADEMY-AS PE Pavlovskaya Natalia Leonidovna 9 - 219.148.144.0/20 5410 0.4% AS17672 -- CHINATELECOM-HE-AS-AP asn for Hebei Provincial Net of CT 10 - 222.223.0.0/16 5410 0.4% AS17672 -- CHINATELECOM-HE-AS-AP asn for Hebei Provincial Net of CT 11 - 222.222.0.0/16 5408 0.4% AS17672 -- CHINATELECOM-HE-AS-AP asn for Hebei Provincial Net of CT 12 - 219.148.128.0/20 5406 0.4% AS17672 -- CHINATELECOM-HE-AS-AP asn for Hebei Provincial Net of CT 13 - 96.47.228.0/23 3806 0.3% AS8100 -- IPTELLIGENT - IPTelligent LLC 14 - 123.176.127.0/24 3745 0.3% AS38494 -- BBGISA-AS-ID-AP PT. Bakrie & Brothers, Tbk 15 - 123.176.120.0/24 3745 0.3% AS38494 -- BBGISA-AS-ID-AP PT. Bakrie & Brothers, Tbk 16 - 123.176.121.0/24 3714 0.3% AS38494 -- BBGISA-AS-ID-AP PT. Bakrie & Brothers, Tbk 17 - 123.176.122.0/24 3712 0.3% AS38494 -- BBGISA-AS-ID-AP PT. Bakrie & Brothers, Tbk 18 - 211.160.176.0/22 3202 0.2% AS9814 -- FIBRLINK Beijing FibrLINK Networks Co.,Ltd. 19 - 206.184.16.0/24 2839 0.2% AS174 -- COGENT Cogent/PSI 20 - 85.60.194.0/23 2757 0.2% AS12479 -- UNI2-AS Uni2 - Lince telecomunicaciones Details at http://bgpupdates.potaroo.net ------------------------------------ Copies of this report are mailed to: nanog@merit.edu eof-list@ripe.net apops@apops.net routing-wg@ripe.net afnog@afnog.org