BGP Update Report

Fri Aug 14 22:00:01 UTC 2009

BGP Update Report
Interval: 06-Aug-09 -to- 13-Aug-09 (7 days)
Observation Point: BGP Peering with AS131072

TOP 20 Unstable Origin AS
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS4961           129280  4.6%    2191.2 -- DISC-AS-KR Daewoo Information System
 2 - AS9198            84498  3.0%     244.2 -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration
 3 - AS9767            79188  2.8%    2140.2 -- DONGBUIT-AS-KR Dongbulife Insurance co.,LTD
 4 - AS23716           60670  2.2%    2166.8 -- CHANGWON23716-AS-KR Changwon College
 5 - AS18157           53746  1.9%    2149.8 -- CHUNGJU-AS-KR chungju university
 6 - AS9956            50700  1.8%    2204.3 -- KONGJU-AS kongju national university
 7 - AS9459            50451  1.8%    2193.5 -- ASKONKUK Konkuk University
 8 - AS9686            47780  1.7%    2171.8 -- SKKUNET-AS SungKyunKwan University (SKKU)
 9 - AS10159           36626  1.3%    2154.5 -- HAUNET-AS-KR HANKUK Aviation University
10 - AS11              34449  1.2%    2649.9 -- HARVARD - Harvard University
11 - AS9530            33061  1.2%    1944.8 -- SHINSEGAE-AS SHINSEGAE I&C Co., Ltd.
12 - AS9628            30914  1.1%    1627.1 -- SSEM-AS-KR Seoul Education Science Research Institute
13 - AS33783           26953  1.0%     191.2 -- EEPAD
14 - AS9868            26490  0.9%    2207.5 -- CUTH-AS Catholic University of DAEGU
15 - AS10088           23806  0.8%    2164.2 -- KWANGWOON-UNIV-AS-AP KWANGWOON University in Seoul, Korea
16 - AS18023           21948  0.8%    2194.8 -- KMU-AS-KR Korea Maritime University
17 - AS18027           21940  0.8%    2194.0 -- NSU-AS-KR namseoul university
18 - AS18026           21516  0.8%    2151.6 -- CHEJU-AS-KR Cheju University
19 - AS17865           21220  0.8%    2122.0 -- SCOURT-AS-KR Supreme Court of Korea
20 - AS10045           20074  0.7%    2230.4 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY


TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS23525            6124  0.2%    3062.0 -- CNC-CNB - Canandaigua National Corporation
 2 - AS11              34449  1.2%    2649.9 -- HARVARD - Harvard University
 3 - AS11191            4726  0.2%    2363.0 -- ELITE-NET - Elite.Net
 4 - AS9852             9056  0.3%    2264.0 -- SAMIL-AS SAMIL ACCOUNTING CORPORATION
 5 - AS17840            2244  0.1%    2244.0 -- KOREACERT-AS-KR KECA, Inc.
 6 - AS3784             8976  0.3%    2244.0 -- ERX-POSTECHNET Pohang University of Science and Technology
 7 - AS10058            6720  0.2%    2240.0 -- CU-AS-KR NACUFOK
 8 - AS9969             2232  0.1%    2232.0 -- WMS-NET-AS-KR KOREA RESOURCES RECOVERY AND REUTILIZATION CORPORATION
 9 - AS10045           20074  0.7%    2230.4 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY
10 - AS9322             4460  0.2%    2230.0 -- EWHANET1-AS Institute of Information and Computing, EWHA WOMANS UNIV.
11 - AS17600            2226  0.1%    2226.0 -- ENVICO-AS-KR Korea Environment & Resources Corporation
12 - AS18303            2220  0.1%    2220.0 -- SMARTRO-AS-KR SMARTRO
13 - AS17603            4438  0.2%    2219.0 -- KUMOH-AS-KR Kumoh National University Technology
14 - AS18343           15506  0.6%    2215.1 -- TAEGUTECH-AS-KR Daegu Technical College
15 - AS18320            4429  0.2%    2214.5 -- GNUE-AS-KR Gwangju National University of Education
16 - AS18315            6642  0.2%    2214.0 -- SORABOLNET-AS-KR Sorabol College
17 - AS10042            4424  0.2%    2212.0 -- DPC-AS-KR DAEGU POLYTECHNIC COLLEGE
18 - AS9868            26490  0.9%    2207.5 -- CUTH-AS Catholic University of DAEGU
19 - AS17567            6622  0.2%    2207.3 -- IREX-AS-KR Airport Railroad Co ltd
20 - AS18163            8824  0.3%    2206.0 -- JINJU18163-AS-KR jinju national university


TOP 20 Unstable Prefixes
Rank Prefix             Upds     % Origin AS -- AS Name
 1 - 88.204.221.0/24    9289  0.3%   AS9198  -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration
 2 - 95.59.1.0/24       9229  0.3%   AS9198  -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration
 3 - 95.59.8.0/23       9108  0.3%   AS9198  -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration
 4 - 95.59.4.0/22       9108  0.3%   AS9198  -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration
 5 - 95.59.3.0/24       9106  0.3%   AS9198  -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration
 6 - 95.59.2.0/23       9104  0.3%   AS9198  -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration
 7 - 92.46.244.0/23     9077  0.3%   AS9198  -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration
 8 - 89.218.218.0/23    9077  0.3%   AS9198  -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration
 9 - 89.218.220.0/23    9077  0.3%   AS9198  -- KAZTELECOM-AS Kazakhtelecom Corporate Sales Administration
10 - 66.152.126.0/24    6090  0.2%   AS23525 -- CNC-CNB - Canandaigua National Corporation
11 - 72.23.246.0/24     5963  0.2%   AS5050  -- PSC-EXT - Pittsburgh Supercomputing Center
12 - 193.201.184.0/21   5256  0.2%   AS25546 -- BROOKLANDCOMP-AS Brookland Computer Services
13 - 67.118.199.0/24    4724  0.2%   AS11191 -- ELITE-NET - Elite.Net
14 - 79.141.74.0/23     4080  0.1%   AS43912 -- NEWCOM-AS ZAO "NEWCOM"
15 - 130.175.0.0/16     3940  0.1%   AS11    -- HARVARD - Harvard University
16 - 19.0.0.0/8         3940  0.1%   AS11    -- HARVARD - Harvard University
17 - 130.170.0.0/16     3939  0.1%   AS11    -- HARVARD - Harvard University
18 - 192.12.120.0/24    2709  0.1%   AS5691  -- MITRE-AS-5 - The MITRE Corporation
19 - 85.60.208.0/21     2503  0.1%   AS12479 -- UNI2-AS Uni2 Autonomous System
20 - 129.9.236.0/23     2463  0.1%   AS11    -- HARVARD - Harvard University

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