BGP Update Report Interval: 15-Apr-10 -to- 22-Apr-10 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9829 17201 1.4% 28.8 -- BSNL-NIB National Internet Backbone 2 - AS38494 17096 1.4% 4274.0 -- BBGISA-AS-ID-AP PT. Bakrie & Brothers, Tbk 3 - AS44310 15948 1.3% 5316.0 -- NGS-AS JSC Novosibirsky Gorodskoi Site 4 - AS31148 13604 1.1% 51.3 -- FREENET-AS FreeNet ISP 5 - AS28477 11556 1.0% 1284.0 -- Universidad Autonoma del Esstado de Morelos 6 - AS14522 9829 0.8% 37.8 -- Satnet 7 - AS6298 9785 0.8% 12.7 -- ASN-CXA-PH-6298-CBS - Cox Communications Inc. 8 - AS22300 9393 0.8% 3131.0 -- WIKIA - Wikia, Inc. 9 - AS10620 9357 0.8% 8.7 -- Telmex Colombia S.A. 10 - AS8452 8852 0.7% 9.5 -- TEDATA TEDATA 11 - AS17488 8790 0.7% 7.0 -- HATHWAY-NET-AP Hathway IP Over Cable Internet 12 - AS12479 8685 0.7% 310.2 -- UNI2-AS Uni2 - Lince telecomunicaciones 13 - AS26598 8618 0.7% 1231.1 -- Its Brasil Tecnologia 14 - AS26025 8559 0.7% 8559.0 -- COC - City of Calgary 15 - AS16569 8250 0.7% 8250.0 -- ASN-CITY-OF-CALGARY - City of Calgary 16 - AS25620 7297 0.6% 46.8 -- COTAS LTDA. 17 - AS17964 7053 0.6% 213.7 -- DXTNET Beijing Dian-Xin-Tong Network Technologies Co., Ltd. 18 - AS7018 6971 0.6% 12.3 -- ATT-INTERNET4 - AT&T WorldNet Services 19 - AS17974 6853 0.6% 13.9 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 20 - AS6478 6751 0.6% 7.7 -- ATT-INTERNET3 - AT&T WorldNet Services TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS26025 8559 0.7% 8559.0 -- COC - City of Calgary 2 - AS16569 8250 0.7% 8250.0 -- ASN-CITY-OF-CALGARY - City of Calgary 3 - AS49121 5422 0.5% 5422.0 -- ACADEMY-AS PE Pavlovskaya Natalia Leonidovna 4 - AS44310 15948 1.3% 5316.0 -- NGS-AS JSC Novosibirsky Gorodskoi Site 5 - AS38494 17096 1.4% 4274.0 -- BBGISA-AS-ID-AP PT. Bakrie & Brothers, Tbk 6 - AS8588 3629 0.3% 3629.0 -- JD_ABRA_EU-AS Abra S.A. 7 - AS22300 9393 0.8% 3131.0 -- WIKIA - Wikia, Inc. 8 - AS5691 2590 0.2% 2590.0 -- MITRE-AS-5 - The MITRE Corporation 9 - AS50531 2514 0.2% 2514.0 -- FAST-L-AS1 Limited Liabilily Company "FastLine" 10 - AS28477 11556 1.0% 1284.0 -- Universidad Autonoma del Esstado de Morelos 11 - AS26598 8618 0.7% 1231.1 -- Its Brasil Tecnologia 12 - AS38680 1224 0.1% 1224.0 -- CMBHK-AS-KR CMB 13 - AS28052 870 0.1% 870.0 -- Arte Radiotelevisivo Argentino 14 - AS3397 854 0.1% 854.0 -- DAVINCI - Davinci Broadband Inc. 15 - AS28671 1373 0.1% 686.5 -- Konecta Telecomunicações Ltda 16 - AS17672 4617 0.4% 659.6 -- CHINATELECOM-HE-AS-AP asn for Hebei Provincial Net of CT 17 - AS8100 6508 0.5% 650.8 -- IPTELLIGENT - IPTelligent LLC 18 - AS30341 1902 0.2% 634.0 -- SCTA-ASN - South Central Telephone Association 19 - AS31688 613 0.1% 613.0 -- SPLIO-AS Splio AS Number 20 - AS18106 604 0.1% 604.0 -- VIEWQWEST-SG-AP Viewqwest Pte Ltd TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 200.13.36.0/24 11508 0.9% AS28477 -- Universidad Autonoma del Esstado de Morelos 2 - 208.98.231.0/24 8559 0.7% AS26025 -- COC - City of Calgary 3 - 208.98.230.0/24 8250 0.6% AS16569 -- ASN-CITY-OF-CALGARY - City of Calgary 4 - 96.47.228.0/23 6405 0.5% AS8100 -- IPTELLIGENT - IPTelligent LLC 5 - 91.212.142.0/24 5422 0.4% AS49121 -- ACADEMY-AS PE Pavlovskaya Natalia Leonidovna 6 - 195.93.186.0/24 5326 0.4% AS44310 -- NGS-AS JSC Novosibirsky Gorodskoi Site 7 - 195.93.187.0/24 5311 0.4% AS44310 -- NGS-AS JSC Novosibirsky Gorodskoi Site 8 - 195.93.186.0/23 5311 0.4% AS44310 -- NGS-AS JSC Novosibirsky Gorodskoi Site 9 - 216.83.57.0/24 4695 0.4% AS22300 -- WIKIA - Wikia, Inc. 10 - 216.83.58.0/24 4695 0.4% AS22300 -- WIKIA - Wikia, Inc. 11 - 123.176.127.0/24 4279 0.3% AS38494 -- BBGISA-AS-ID-AP PT. Bakrie & Brothers, Tbk 12 - 123.176.120.0/24 4279 0.3% AS38494 -- BBGISA-AS-ID-AP PT. Bakrie & Brothers, Tbk 13 - 123.176.121.0/24 4269 0.3% AS38494 -- BBGISA-AS-ID-AP PT. Bakrie & Brothers, Tbk 14 - 123.176.122.0/24 4269 0.3% AS38494 -- BBGISA-AS-ID-AP PT. Bakrie & Brothers, Tbk 15 - 153.23.252.0/22 3816 0.3% AS135 -- DNIC-AS-00135 - DoD Network Information Center 16 - 91.208.133.0/24 3629 0.3% AS8588 -- JD_ABRA_EU-AS Abra S.A. 17 - 206.184.16.0/24 2851 0.2% AS174 -- COGENT Cogent/PSI 18 - 85.60.194.0/23 2680 0.2% AS12479 -- UNI2-AS Uni2 - Lince telecomunicaciones 19 - 211.160.176.0/22 2661 0.2% AS9814 -- FIBRLINK Beijing FibrLINK Networks Co.,Ltd. 20 - 192.12.120.0/24 2590 0.2% AS5691 -- MITRE-AS-5 - The MITRE Corporation 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