BGP Update Report Interval: 16-Sep-10 -to- 23-Sep-10 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS8151 29705 1.6% 11.9 -- Uninet S.A. de C.V. 2 - AS3464 22140 1.2% 492.0 -- ASC-NET - Alabama Supercomputer Network 3 - AS32528 17447 0.9% 2180.9 -- ABBOTT Abbot Labs 4 - AS34984 15911 0.9% 42.3 -- TELLCOM-AS Tellcom Iletisim Hizmetleri 5 - AS35931 14631 0.8% 2438.5 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 6 - AS7011 13318 0.7% 11.5 -- FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc. 7 - AS5536 12851 0.7% 110.8 -- Internet-Egypt 8 - AS5668 11618 0.6% 10.2 -- AS-5668 - CenturyTel Internet Holdings, Inc. 9 - AS8866 11147 0.6% 27.5 -- BTC-AS Bulgarian Telecommunication Company Plc. 10 - AS14420 10222 0.6% 17.4 -- CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP 11 - AS24560 10197 0.6% 9.8 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 12 - AS1785 9677 0.5% 5.4 -- AS-PAETEC-NET - PaeTec Communications, Inc. 13 - AS8452 9318 0.5% 7.9 -- TE-AS TE-AS 14 - AS3816 8799 0.5% 18.2 -- COLOMBIA TELECOMUNICACIONES S.A. ESP 15 - AS10620 8691 0.5% 6.6 -- Telmex Colombia S.A. 16 - AS9155 8395 0.5% 35.7 -- QNET QualityNet AS number 17 - AS18566 8294 0.5% 7.6 -- COVAD - Covad Communications Co. 18 - AS36992 8142 0.4% 12.2 -- ETISALAT-MISR 19 - AS7545 8104 0.4% 5.7 -- TPG-INTERNET-AP TPG Internet Pty Ltd 20 - AS4755 7987 0.4% 5.9 -- TATACOMM-AS TATA Communications formerly VSNL is Leading ISP TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS35931 14631 0.8% 2438.5 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 2 - AS32528 17447 0.9% 2180.9 -- ABBOTT Abbot Labs 3 - AS50571 1488 0.1% 1488.0 -- PRLIB FGBU Presidential Library named after NB Yeltsin 4 - AS53532 1451 0.1% 1451.0 -- KINGMETALS - King Architectural Metals 5 - AS22753 3789 0.2% 947.2 -- REDHAT-STUTTGART REDHAT Stuttgart 6 - AS15984 719 0.0% 719.0 -- The Joint-Stock Commercial Bank CentroCredit. 7 - AS27092 652 0.0% 652.0 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 8 - AS11613 650 0.0% 650.0 -- U-SAVE - U-Save Auto Rental of America, Inc. 9 - AS21017 5784 0.3% 578.4 -- VSI-AS VSI AS 10 - AS16861 497 0.0% 497.0 -- REVELEX - Revelex.com 11 - AS3464 22140 1.2% 492.0 -- ASC-NET - Alabama Supercomputer Network 12 - AS190 2795 0.1% 465.8 -- NSYPTSMH-POE-AS - Navy Network Information Center (NNIC) 13 - AS27094 883 0.1% 441.5 -- DNIC-ASBLK-27032-27159 - DoD Network Information Center 14 - AS38531 387 0.0% 387.0 -- SULLCROM-HK Sullivan & Cromwell LLP, Hong Kong Site, International Law Firm. 15 - AS37204 3851 0.2% 385.1 -- TELONE 16 - AS3 367 0.0% 333.0 -- NVT-AS Closed Joint Stock Company NOVOTEL 17 - AS49970 350 0.0% 350.0 -- RKRS-ISDP Rangin Kaman Rayaneh Sepahan ISDP 18 - AS48309 335 0.0% 335.0 -- AGS-AS Ariana Gostar Spadana Autonomous Number 19 - AS48431 650 0.0% 325.0 -- MAXNET MAXNET Autonomous System 20 - AS41152 650 0.0% 325.0 -- AFTAB Aftab Internet Service Provider TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 129.66.128.0/17 11021 0.6% AS3464 -- ASC-NET - Alabama Supercomputer Network 2 - 129.66.0.0/17 11020 0.6% AS3464 -- ASC-NET - Alabama Supercomputer Network 3 - 130.36.34.0/24 8713 0.5% AS32528 -- ABBOTT Abbot Labs 4 - 130.36.35.0/24 8713 0.5% AS32528 -- ABBOTT Abbot Labs 5 - 201.134.18.0/24 8656 0.5% AS8151 -- Uninet S.A. de C.V. 6 - 195.39.181.0/24 8461 0.4% AS6755 -- ASN - TURNET AS9155 -- QNET QualityNet AS number 7 - 63.211.68.0/22 8301 0.4% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 8 - 198.140.43.0/24 6237 0.3% AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC 9 - 216.126.136.0/22 5954 0.3% AS6316 -- AS-PAETEC-NET - PaeTec Communications, Inc. 10 - 190.65.228.0/22 5783 0.3% AS3816 -- COLOMBIA TELECOMUNICACIONES S.A. ESP 11 - 148.204.141.0/24 5089 0.3% AS8151 -- Uninet S.A. de C.V. 12 - 66.187.234.0/24 3782 0.2% AS22753 -- REDHAT-STUTTGART REDHAT Stuttgart 13 - 206.184.16.0/24 3123 0.2% AS174 -- COGENT Cogent/PSI 14 - 95.32.128.0/18 2882 0.1% AS21017 -- VSI-AS VSI AS 15 - 202.92.235.0/24 2812 0.1% AS9498 -- BBIL-AP BHARTI Airtel Ltd. 16 - 95.32.192.0/18 2780 0.1% AS21017 -- VSI-AS VSI AS 17 - 216.118.245.0/24 2763 0.1% AS22150 -- CARRIERHOUSE - Carrierhouse Corp. AS25747 -- VSC-SATELLITE-CO - VSC Satellite Co. 18 - 64.86.26.0/23 2465 0.1% AS37204 -- TELONE 19 - 193.232.105.0/24 1488 0.1% AS50571 -- PRLIB FGBU Presidential Library named after NB Yeltsin 20 - 208.51.46.0/24 1451 0.1% AS53532 -- KINGMETALS - King Architectural Metals 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