BGP Update Report Interval: 24-Dec-07 -to- 24-Jan-08 (32 days) Observation Point: BGP Peering with AS2.0 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS17421 419590 5.6% 10489.8 -- EMOME-TW Long Distance & Mobile Business Group, 2 - AS3462 176750 2.3% 1064.8 -- HINET Data Communication Business Group 3 - AS4782 152348 2.0% 10882.0 -- GSNET Data Communication Business Group 4 - AS18422 95689 1.3% 4349.5 -- ITRINET-AS-TW Industrial Technology Research Institute 5 - AS8151 86614 1.1% 75.1 -- Uninet S.A. de C.V. 6 - AS23563 78283 1.0% 1204.4 -- VITSSEN-SUWON-AS-KR Tbroad Suwon Broadcating Corporati 7 - AS9498 73402 1.0% 64.1 -- BBIL-AP BHARTI BT INTERNET LTD. 8 - AS10229 65289 0.9% 13057.8 -- YAHOO-TPE Internet Content Provider 9 - AS4621 58238 0.8% 380.6 -- UNSPECIFIED UNINET-TH 10 - AS9835 55131 0.7% 434.1 -- GITS-TH-AS-AP Government Information Technology Services 11 - AS24731 52988 0.7% 1039.0 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 12 - AS24506 51523 0.7% 12880.8 -- YAHOO-TP2-AP Yahoo! Taiwan Inc., 13 - AS7303 45677 0.6% 30.7 -- Telecom Argentina S.A. 14 - AS14390 43969 0.6% 697.9 -- CORENET - Coretel America, Inc. 15 - AS26829 43221 0.6% 43221.0 -- YKK-USA - YKK USA,INC 16 - AS40474 41156 0.6% 41156.0 -- ABML-2 - Advantage Business Media, LLC 17 - AS22629 36270 0.5% 18135.0 -- NORWORLD - NORTHWESTERN CORPORATION 18 - AS19115 35771 0.5% 86.6 -- CHARTER-LEBANON - Charter Communications 19 - AS7470 33996 0.5% 346.9 -- ASIAINFO-AS-AP ASIA INFONET Co.,Ltd. 20 - AS9583 33501 0.4% 29.3 -- SIFY-AS-IN Sify Limited TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS26829 43221 0.6% 43221.0 -- YKK-USA - YKK USA,INC 2 - AS40474 41156 0.6% 41156.0 -- ABML-2 - Advantage Business Media, LLC 3 - AS19334 20016 0.3% 20016.0 -- SPORTLINE-DBC - SPORTLINE 4 - AS22629 36270 0.5% 18135.0 -- NORWORLD - NORTHWESTERN CORPORATION 5 - AS10229 65289 0.9% 13057.8 -- YAHOO-TPE Internet Content Provider 6 - AS24506 51523 0.7% 12880.8 -- YAHOO-TP2-AP Yahoo! Taiwan Inc., 7 - AS23712 11909 0.2% 11909.0 -- ISC-TPE1 Internet Systems Consortium, Inc. 8 - AS24160 11709 0.2% 11709.0 -- CHIMEI-AS Chi Mei Corporation 9 - AS23675 11507 0.1% 11507.0 -- TSMCGDN-AS-AP Taiwan Semiconductor Manufactoring Company, Ltd. 10 - AS4782 152348 2.0% 10882.0 -- GSNET Data Communication Business Group 11 - AS17421 419590 5.6% 10489.8 -- EMOME-TW Long Distance & Mobile Business Group, 12 - AS18410 9558 0.1% 9558.0 -- TW-104IT-AS 104 Information Technology Co., Ltd. 13 - AS35555 7761 0.1% 7761.0 -- BUSINESSUNITY-AS Business Unity Ltd. 14 - AS8282 22578 0.3% 7526.0 -- FIDONET FidoNet Registration Services Ltd 15 - AS9179 21169 0.3% 7056.3 -- KNOWTION-LONDON Knowtion Ltd. 16 - AS8276 7018 0.1% 7018.0 -- ROGUEPACKET Roguepacket Networks 17 - AS12611 15074 0.2% 5024.7 -- RKOM R-KOM Regensburger Telekommunikations GmbH & Co. KG 18 - AS30297 25061 0.3% 5012.2 -- MAGMA-DESIGN-AUTOMATION - Magma Design Automation, Inc. 19 - AS18422 95689 1.3% 4349.5 -- ITRINET-AS-TW Industrial Technology Research Institute 20 - AS41880 3795 0.1% 3795.0 -- BOSE-EUROPE-AS Bose European Management Services B.V. TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 203.101.87.0/24 62160 0.8% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD. 2 - 12.108.254.0/24 43221 0.5% AS26829 -- YKK-USA - YKK USA,INC 3 - 209.163.125.0/24 42511 0.5% AS14390 -- CORENET - Coretel America, Inc. 4 - 65.126.154.0/24 41156 0.5% AS40474 -- ABML-2 - Advantage Business Media, LLC 5 - 80.243.64.0/20 31289 0.4% AS21332 -- NTC-AS New Telephone Company 6 - 203.55.229.160/2 27525 0.3% AS4802 -- ASN-IINET iiNet Limited 7 - 208.70.209.0/24 25040 0.3% AS30297 -- MAGMA-DESIGN-AUTOMATION - Magma Design Automation, Inc. 8 - 209.4.88.0/24 24566 0.3% AS10882 -- CLARITYCONNECT - Clarity Connect Inc 9 - 64.79.128.0/19 21703 0.3% AS23005 -- SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC 10 - 63.169.11.0/24 20016 0.2% AS19334 -- SPORTLINE-DBC - SPORTLINE 11 - 207.181.144.0/24 18771 0.2% AS19750 -- CTI-TX - C2C Fiber, Inc. AS32004 -- BIG-ASN - Business Information Group, Inc. 12 - 199.96.16.0/21 18135 0.2% AS22629 -- NORWORLD - NORTHWESTERN CORPORATION 13 - 199.96.24.0/22 18135 0.2% AS22629 -- NORWORLD - NORTHWESTERN CORPORATION 14 - 124.7.10.0/23 16301 0.2% AS9583 -- SIFY-AS-IN Sify Limited 15 - 89.4.130.0/24 13396 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA) 16 - 203.188.206.0/23 13070 0.2% AS10229 -- YAHOO-TPE Internet Content Provider 17 - 203.84.192.0/21 13069 0.2% AS10229 -- YAHOO-TPE Internet Content Provider 18 - 202.43.218.0/24 13050 0.2% AS10229 -- YAHOO-TPE Internet Content Provider 19 - 202.43.200.0/23 13050 0.2% AS10229 -- YAHOO-TPE Internet Content Provider 20 - 202.43.192.0/21 13050 0.2% AS10229 -- YAHOO-TPE Internet Content Provider 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