BGP Update Report Interval: 14-Jan-08 -to- 14-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 72755 1.3% 60.7 -- BBIL-AP BHARTI BT INTERNET LTD. 2 - AS4802 56636 1.0% 110.0 -- ASN-IINET iiNet Limited 3 - AS24731 55753 1.0% 1051.9 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 4 - AS8151 46700 0.8% 39.8 -- Uninet S.A. de C.V. 5 - AS9583 45107 0.8% 37.8 -- SIFY-AS-IN Sify Limited 6 - AS4621 40372 0.7% 263.9 -- UNSPECIFIED UNINET-TH 7 - AS20214 38637 0.7% 8.4 -- CCCH-AS6 - Comcast Cable Communications Holdings, Inc 8 - AS7029 38520 0.7% 95.6 -- WINDSTREAM - Windstream Communications Inc 9 - AS26829 37387 0.7% 37387.0 -- YKK-USA - YKK USA,INC 10 - AS8452 34885 0.6% 28.8 -- TEDATA TEDATA 11 - AS705 30775 0.6% 148.7 -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 12 - AS23005 29593 0.5% 1972.9 -- SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC 13 - AS33783 27994 0.5% 177.2 -- EEPAD 14 - AS19115 26840 0.5% 63.5 -- CHARTER-LEBANON - Charter Communications 15 - AS9835 26247 0.5% 206.7 -- GITS-TH-AS-AP Government Information Technology Services 16 - AS4739 25270 0.5% 109.4 -- CIX-ADELAIDE-AS Internode Systems Pty Ltd 17 - AS22629 25228 0.5% 12614.0 -- NORWORLD - NORTHWESTERN CORPORATION 18 - AS21332 25030 0.5% 962.7 -- NTC-AS New Telephone Company 19 - AS9829 22171 0.4% 27.3 -- BSNL-NIB National Internet Backbone 20 - AS5803 22161 0.4% 130.4 -- DDN-ASNBLK - DoD Network Information Center TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS26829 37387 0.7% 37387.0 -- YKK-USA - YKK USA,INC 2 - AS40474 19662 0.3% 19662.0 -- ABML-2 - Advantage Business Media, LLC 3 - AS19334 18147 0.3% 18147.0 -- SPORTLINE-DBC - SPORTLINE 4 - AS22629 25228 0.5% 12614.0 -- NORWORLD - NORTHWESTERN CORPORATION 5 - AS30929 7564 0.1% 7564.0 -- HUTCB Hidrotechnical Faculty - Technical University 6 - AS41482 5820 0.1% 5820.0 -- CLUEAG-AS Clue AG IT Solutions 7 - AS32207 5683 0.1% 5683.0 -- 8 - AS19389 8883 0.2% 4441.5 -- GOLUB - GOLUB CORPORATION 9 - AS9179 13176 0.2% 4392.0 -- KNOWTION-LONDON Knowtion Ltd. 10 - AS35555 4148 0.1% 4148.0 -- BUSINESSUNITY-AS Business Unity Ltd. 11 - AS8276 3715 0.1% 3715.0 -- ROGUEPACKET Roguepacket Networks 12 - AS8282 10993 0.2% 3664.3 -- FIDONET FidoNet Registration Services Ltd 13 - AS28977 6539 0.1% 3269.5 -- UN-UNLB United Nations Logistics Base Brindisi, Italy 14 - AS27197 12618 0.2% 3154.5 -- 15 - AS40488 2800 0.1% 2800.0 -- NII-RICHFIELD - National Interstate Insurance Company 16 - AS21291 2187 0.0% 2187.0 -- OMEGABANK 8 Dragatsaniou str 17 - AS7974 8392 0.1% 2098.0 -- Instituto Mexicano del Petroleo 18 - AS18682 10476 0.2% 2095.2 -- TRILUTIONS - TriLutions Computer & Internet Center 19 - AS14576 4086 0.1% 2043.0 -- RHNL-NET - Righthosting.com 20 - AS23005 29593 0.5% 1972.9 -- SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 203.55.229.160/2 53667 0.9% AS4802 -- ASN-IINET iiNet Limited 2 - 203.101.87.0/24 53611 0.9% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 3 - 12.108.254.0/24 37387 0.6% AS26829 -- YKK-USA - YKK USA,INC 4 - 64.79.128.0/19 29425 0.5% AS23005 -- SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC 5 - 80.243.64.0/20 24807 0.4% AS21332 -- NTC-AS New Telephone Company 6 - 203.16.208.0/24 24175 0.4% AS4739 -- CIX-ADELAIDE-AS Internode Systems Pty Ltd 7 - 124.7.35.0/24 22756 0.4% AS9583 -- SIFY-AS-IN Sify Limited 8 - 207.181.144.0/24 20022 0.3% AS19750 -- CTI-TX - C2C Fiber, Inc. AS32004 -- BIG-ASN - Business Information Group, Inc. 9 - 65.126.154.0/24 19662 0.3% AS40474 -- ABML-2 - Advantage Business Media, LLC 10 - 63.169.11.0/24 18147 0.3% AS19334 -- SPORTLINE-DBC - SPORTLINE 11 - 89.4.130.0/24 13766 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 12 - 202.140.63.0/24 13735 0.2% AS17443 -- ESTELCOM-AP International Internet gateway , India AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 13 - 89.4.131.0/24 13176 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 14 - 199.96.16.0/21 12614 0.2% AS22629 -- NORWORLD - NORTHWESTERN CORPORATION 15 - 199.96.24.0/22 12614 0.2% AS22629 -- NORWORLD - NORTHWESTERN CORPORATION 16 - 89.4.128.0/24 12397 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 17 - 89.4.129.0/24 11683 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 18 - 217.22.170.0/23 9747 0.2% AS16094 -- RAS Roilcom ASN (Russia) 19 - 203.63.26.0/24 9272 0.2% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd 20 - 124.7.10.0/23 8543 0.1% AS9583 -- SIFY-AS-IN Sify Limited 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