BGP Update Report

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BGP Update Report
Interval: 31-Dec-07 -to- 29-Jan-08 (30 days)
Observation Point: BGP Peering with AS2.0

TOP 20 Unstable Origin AS
Rank ASN Upds % Upds/Pfx AS-Name
 1 - AS17421 154079 2.2% 4054.7 -- EMOME-TW Long Distance & Mobile Business Group,
 2 - AS8151 88363 1.3% 76.4 -- Uninet S.A. de C.V.
 3 - AS23563 78359 1.1% 1205.5 -- VITSSEN-SUWON-AS-KR Tbroad Suwon Broadcating Corporati
 4 - AS9498 75888 1.1% 66.2 -- BBIL-AP BHARTI BT INTERNET LTD.
 5 - AS3462 61642 0.9% 373.6 -- HINET Data Communication Business Group
 6 - AS4782 52734 0.8% 3766.7 -- GSNET Data Communication Business Group
 7 - AS24731 52624 0.8% 1031.8 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
 8 - AS4621 46410 0.7% 303.3 -- UNSPECIFIED UNINET-TH
 9 - AS7303 44150 0.6% 29.4 -- Telecom Argentina S.A.
10 - AS22629 43176 0.6% 21588.0 -- NORWORLD - NORTHWESTERN CORPORATION
11 - AS4802 40432 0.6% 80.9 -- ASN-IINET iiNet Limited
12 - AS26829 39332 0.6% 39332.0 -- YKK-USA - YKK USA,INC
13 - AS20214 38779 0.6% 8.4 -- CCCH-AS6 - Comcast Cable Communications Holdings, Inc
14 - AS9835 38600 0.6% 303.9 -- GITS-TH-AS-AP Government Information Technology Services
15 - AS7029 38051 0.5% 95.4 -- WINDSTREAM - Windstream Communications Inc
16 - AS40474 37922 0.5% 37922.0 -- ABML-2 - Advantage Business Media, LLC
17 - AS9583 35296 0.5% 30.8 -- SIFY-AS-IN Sify Limited
18 - AS6140 35019 0.5% 45.7 -- IMPSAT-USA - ImpSat USA, Inc.
19 - AS18422 33826 0.5% 1537.5 -- ITRINET-AS-TW Industrial Technology Research Institute
20 - AS4750 32207 0.5% 138.8 -- CSLOXINFO-ISP-AS-AP CSLOXINFO Public Company Limited.

TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN Upds % Upds/Pfx AS-Name
 1 - AS26829 39332 0.6% 39332.0 -- YKK-USA - YKK USA,INC
 2 - AS40474 37922 0.5% 37922.0 -- ABML-2 - Advantage Business Media, LLC
 3 - AS22629 43176 0.6% 21588.0 -- NORWORLD - NORTHWESTERN CORPORATION
 4 - AS19334 18383 0.3% 18383.0 -- SPORTLINE-DBC - SPORTLINE
 5 - AS35555 7021 0.1% 7021.0 -- BUSINESSUNITY-AS Business Unity Ltd.
 6 - AS8282 20309 0.3% 6769.7 -- FIDONET FidoNet Registration Services Ltd
 7 - AS9179 19765 0.3% 6588.3 -- KNOWTION-LONDON Knowtion Ltd.
 8 - AS8276 6340 0.1% 6340.0 -- ROGUEPACKET Roguepacket Networks
 9 - AS30929 5697 0.1% 5697.0 -- HUTCB Hidrotechnical Faculty - Technical University
10 - AS10229 22881 0.3% 4576.2 -- YAHOO-TPE Internet Content Provider
11 - AS24506 17786 0.2% 4446.5 -- YAHOO-TP2-AP Yahoo! Taiwan Inc.,
12 - AS30297 21368 0.3% 4273.6 -- MAGMA-DESIGN-AUTOMATION - Magma Design Automation, Inc.
13 - AS24160 4070 0.1% 4070.0 -- CHIMEI-AS Chi Mei Corporation
14 - AS17421 154079 2.2% 4054.7 -- EMOME-TW Long Distance & Mobile Business Group,
15 - AS23712 4054 0.1% 4054.0 -- ISC-TPE1 Internet Systems Consortium, Inc.
16 - AS41880 3943 0.1% 3943.0 -- BOSE-EUROPE-AS Bose European Management Services B.V.
17 - AS23675 3942 0.1% 3942.0 -- TSMCGDN-AS-AP Taiwan Semiconductor Manufactoring Company, Ltd.
18 - AS4782 52734 0.8% 3766.7 -- GSNET Data Communication Business Group
19 - AS12611 10715 0.1% 3571.7 -- RKOM R-KOM Regensburger Telekommunikations GmbH & Co. KG
20 - AS18410 3423 0.1% 3423.0 -- TW-104IT-AS 104 Information Technology Co., Ltd.

TOP 20 Unstable Prefixes
Rank Prefix Upds % Origin AS -- AS Name
 1 - 203.101.87.0/24 57024 0.8% AS9498 -- BBIL-AP BHARTI BT INTERNET LTD.
 2 - 12.108.254.0/24 39332 0.5% AS26829 -- YKK-USA - YKK USA,INC
 3 - 65.126.154.0/24 37922 0.5% AS40474 -- ABML-2 - Advantage Business Media, LLC
 4 - 203.55.229.160/2 35918 0.5% AS4802 -- ASN-IINET iiNet Limited
 5 - 209.163.125.0/24 29925 0.4% AS14390 -- CORENET - Coretel America, Inc.
 6 - 80.243.64.0/20 27252 0.4% AS21332 -- NTC-AS New Telephone Company
 7 - 64.79.128.0/19 25729 0.3% AS23005 -- SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC
 8 - 199.96.16.0/21 21588 0.3% AS22629 -- NORWORLD - NORTHWESTERN CORPORATION
 9 - 199.96.24.0/22 21588 0.3% AS22629 -- NORWORLD - NORTHWESTERN CORPORATION
10 - 208.70.209.0/24 21341 0.3% AS30297 -- MAGMA-DESIGN-AUTOMATION - Magma Design Automation, Inc.
11 - 207.181.144.0/24 19666 0.3% AS19750 -- CTI-TX - C2C Fiber, Inc.
                                     AS32004 -- BIG-ASN - Business Information Group, Inc.
12 - 63.169.11.0/24 18383 0.2% AS19334 -- SPORTLINE-DBC - SPORTLINE
13 - 209.4.88.0/24 14306 0.2% AS10882 -- CLARITYCONNECT - Clarity Connect Inc
14 - 89.4.130.0/24 13254 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
15 - 124.7.10.0/23 13032 0.2% AS9583 -- SIFY-AS-IN Sify Limited
16 - 89.4.128.0/24 12398 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
17 - 89.4.129.0/24 12142 0.2% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
18 - 89.4.131.0/24 11642 0.1% AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
19 - 203.63.26.0/24 10355 0.1% AS9747 -- EZINTERNET-AS-AP EZInternet Pty Ltd
20 - 203.16.208.0/24 9957 0.1% AS4739 -- CIX-ADELAIDE-AS Internode Systems Pty Ltd

Details at http://bgpupdates.potaroo.net
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