BGP Update Report Interval: 07-Jan-08 -to- 07-Feb-08 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS9498 76632 1.2% 63.5 -- BBIL-AP BHARTI BT INTERNET LTD. 2 - AS24731 54451 0.8% 1047.1 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 3 - AS8151 53678 0.8% 45.8 -- Uninet S.A. de C.V. 4 - AS23563 53253 0.8% 819.3 -- VITSSEN-SUWON-AS-KR Tbroad Suwon Broadcating Corporati 5 - AS4802 52374 0.8% 101.7 -- ASN-IINET iiNet Limited 6 - AS7303 45128 0.7% 30.0 -- Telecom Argentina S.A. 7 - AS9583 45014 0.7% 38.3 -- SIFY-AS-IN Sify Limited 8 - AS20214 39426 0.6% 8.5 -- CCCH-AS6 - Comcast Cable Communications Holdings, Inc 9 - AS7029 38612 0.6% 96.5 -- WINDSTREAM - Windstream Communications Inc 10 - AS26829 37458 0.6% 37458.0 -- YKK-USA - YKK USA,INC 11 - AS22629 36774 0.6% 18387.0 -- NORWORLD - NORTHWESTERN CORPORATION 12 - AS4621 35543 0.5% 232.3 -- UNSPECIFIED UNINET-TH 13 - AS6140 34666 0.5% 45.1 -- IMPSAT-USA - ImpSat USA, Inc. 14 - AS8452 34004 0.5% 28.0 -- TEDATA TEDATA 15 - AS23005 33464 0.5% 2230.9 -- SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC 16 - AS705 30951 0.5% 148.8 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 17 - AS10834 30774 0.5% 154.6 -- Telefonica Data Argentina S.A. 18 - AS7011 29572 0.5% 27.5 -- FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc. 19 - AS40474 29437 0.4% 29437.0 -- ABML-2 - Advantage Business Media, LLC 20 - AS5803 26744 0.4% 157.3 -- DDN-ASNBLK - DoD Network Information Center TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS26829 37458 0.6% 37458.0 -- YKK-USA - YKK USA,INC 2 - AS40474 29437 0.4% 29437.0 -- ABML-2 - Advantage Business Media, LLC 3 - AS22629 36774 0.6% 18387.0 -- NORWORLD - NORTHWESTERN CORPORATION 4 - AS19334 17784 0.3% 17784.0 -- SPORTLINE-DBC - SPORTLINE 5 - AS30929 7136 0.1% 7136.0 -- HUTCB Hidrotechnical Faculty - Technical University 6 - AS32207 5766 0.1% 5766.0 -- 7 - AS35555 5453 0.1% 5453.0 -- BUSINESSUNITY-AS Business Unity Ltd. 8 - AS9179 16300 0.2% 5433.3 -- KNOWTION-LONDON Knowtion Ltd. 9 - AS8282 14955 0.2% 4985.0 -- FIDONET FidoNet Registration Services Ltd 10 - AS8276 4962 0.1% 4962.0 -- ROGUEPACKET Roguepacket Networks 11 - AS19389 9177 0.1% 4588.5 -- GOLUB - GOLUB CORPORATION 12 - AS28977 6848 0.1% 3424.0 -- UN-UNLB United Nations Logistics Base Brindisi, Italy 13 - AS27197 12618 0.2% 3154.5 -- 14 - AS30297 15496 0.2% 3099.2 -- MAGMA-DESIGN-AUTOMATION - Magma Design Automation, Inc. 15 - AS41880 3074 0.1% 3074.0 -- BOSE-EUROPE-AS Bose European Management Services B.V. 16 - AS40488 2802 0.0% 2802.0 -- NII-RICHFIELD - National Interstate Insurance Company 17 - AS20589 22302 0.3% 2787.8 -- RIVOV-ELECTRONICS Rivov Electronics LTD 18 - AS23005 33464 0.5% 2230.9 -- SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC 19 - AS33618 8449 0.1% 2112.2 -- SERVLET-AS - Servlet Inc. 20 - AS7974 8248 0.1% 2062.0 -- Instituto Mexicano del Petroleo TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 203.101.87.0/24 54469 0.8% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 2 - 203.55.229.160/2 46633 0.7% AS4802 -- ASN-IINET iiNet Limited 3 - 12.108.254.0/24 37458 0.5% AS26829 -- YKK-USA - YKK USA,INC 4 - 64.79.128.0/19 33231 0.5% AS23005 -- SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC 5 - 65.126.154.0/24 29437 0.4% AS40474 -- ABML-2 - Advantage Business Media, LLC 6 - 80.243.64.0/20 25372 0.3% AS21332 -- NTC-AS New Telephone Company 7 - 207.181.144.0/24 20253 0.3% AS19750 -- CTI-TX - C2C Fiber, Inc. AS32004 -- BIG-ASN - Business Information Group, Inc. 8 - 203.16.208.0/24 19615 0.3% AS4739 -- CIX-ADELAIDE-AS Internode Systems Pty Ltd 9 - 199.96.16.0/21 18387 0.3% AS22629 -- NORWORLD - NORTHWESTERN CORPORATION 10 - 199.96.24.0/22 18387 0.3% AS22629 -- NORWORLD - NORTHWESTERN CORPORATION 11 - 63.169.11.0/24 17784 0.2% AS19334 -- SPORTLINE-DBC - SPORTLINE 12 - 209.163.125.0/24 17607 0.2% AS14390 -- CORENET - Coretel America, Inc. 13 - 208.70.209.0/24 15471 0.2% AS30297 -- MAGMA-DESIGN-AUTOMATION - Magma Design Automation, Inc. 14 - 124.7.35.0/24 14516 0.2% AS9583 -- SIFY-AS-IN Sify Limited 15 - 89.4.130.0/24 13742 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 16 - 124.7.10.0/23 13060 0.2% AS9583 -- SIFY-AS-IN Sify Limited 17 - 89.4.128.0/24 12657 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 18 - 89.4.129.0/24 12350 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 19 - 89.4.131.0/24 12287 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 20 - 202.140.63.0/24 11789 0.2% AS17443 -- ESTELCOM-AP International Internet gateway , India AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 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