BGP Update Report
Interval: 13-Aug-09 -to- 20-Aug-09 (7 days)
Observation Point: BGP Peering with AS131072
TOP 20 Unstable Origin AS
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS4961 516762 6.6% 6379.8 -- DISC-AS-KR Daewoo Information System
2 - AS9767 323141 4.1% 8733.5 -- DONGBUIT-AS-KR Dongbulife Insurance co.,LTD
3 - AS18157 219917 2.8% 8796.7 -- CHUNGJU-AS-KR chungju university
4 - AS9459 204123 2.6% 8874.9 -- ASKONKUK Konkuk University
5 - AS9956 201087 2.6% 8742.9 -- KONGJU-AS kongju national university
6 - AS9686 194396 2.5% 8836.2 -- SKKUNET-AS SungKyunKwan University (SKKU)
7 - AS23716 154216 2.0% 5507.7 -- CHANGWON23716-AS-KR Changwon College
8 - AS10159 149403 1.9% 5976.1 -- HAUNET-AS-KR HANKUK Aviation University
9 - AS9530 135249 1.7% 7118.4 -- SHINSEGAE-AS SHINSEGAE I&C Co., Ltd.
10 - AS9628 122729 1.6% 6459.4 -- SSEM-AS-KR Seoul Education Science Research Institute
11 - AS9868 99583 1.3% 7113.1 -- CUTH-AS Catholic University of DAEGU
12 - AS10088 96758 1.2% 8063.2 -- KWANGWOON-UNIV-AS-AP KWANGWOON University in Seoul, Korea
13 - AS18027 88348 1.1% 8834.8 -- NSU-AS-KR namseoul university
14 - AS18023 87965 1.1% 3518.6 -- KMU-AS-KR Korea Maritime University
15 - AS18026 87648 1.1% 8764.8 -- CHEJU-AS-KR Cheju University
16 - AS17865 87569 1.1% 7960.8 -- SCOURT-AS-KR Supreme Court of Korea
17 - AS10045 80256 1.0% 8917.3 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY
18 - AS9970 79372 1.0% 8819.1 -- KUT-AS Korea University of Technology and Education
19 - AS10176 79196 1.0% 8799.6 -- TENET-AS Taejon Institute of Education Science
20 - AS7557 79010 1.0% 8778.9 -- KTNET-AS Korea Trade Network
TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS9456 8920 0.1% 8920.0 -- POSCO-AS POSCO
2 - AS10045 80256 1.0% 8917.3 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY
3 - AS9846 8908 0.1% 8908.0 -- FIRSTDATA-AS-KR FDIK
4 - AS17840 8890 0.1% 8890.0 -- KOREACERT-AS-KR KECA, Inc.
5 - AS9571 17776 0.2% 8888.0 -- INICIS-AS INICIS Co., Ltd
6 - AS17600 8883 0.1% 8883.0 -- ENVICO-AS-KR Korea Environment & Resources Corporation
7 - AS10042 17764 0.2% 8882.0 -- DPC-AS-KR DAEGU POLYTECHNIC COLLEGE
8 - AS9459 204123 2.6% 8874.9 -- ASKONKUK Konkuk University
9 - AS10055 35488 0.5% 8872.0 -- KORAIL-AS-KR Korean National Railroad Administration
10 - AS10058 26615 0.3% 8871.7 -- CU-AS-KR NACUFOK
11 - AS23983 26613 0.3% 8871.0 -- DJU-AS-KR Daejeon University
12 - AS23557 8848 0.1% 8848.0 -- YUHWA-AS-KR Yuhwa Securities Co., LTD
13 - AS23573 26532 0.3% 8844.0 -- OCIC-AS-KR OCI Information Communication
14 - AS18324 53042 0.7% 8840.3 -- MASANC-AS-KR Masan College
15 - AS23562 17674 0.2% 8837.0 -- BCRC-AS-KR Busan Cycle Racing Corporation
16 - AS9686 194396 2.5% 8836.2 -- SKKUNET-AS SungKyunKwan University (SKKU)
17 - AS18027 88348 1.1% 8834.8 -- NSU-AS-KR namseoul university
18 - AS17601 17664 0.2% 8832.0 -- KCGF-AS-KR KOREA CREDIT GUARANTEE FUND
19 - AS18319 61824 0.8% 8832.0 -- YJNET-AS-KR Yeungnam College of Science & Technology
20 - AS9452 8829 0.1% 8829.0 -- KUNET-AS Korea University
TOP 20 Unstable Prefixes
Rank Prefix Upds % Origin AS -- AS Name
1 - 210.90.28.0/24 8941 0.1% AS23568 -- CRA-AS-KR Cycle Racing Association
2 - 163.239.192.0/20 8925 0.1% AS3813 -- SOGANG-AS-KR sogang university
3 - 163.239.208.0/21 8923 0.1% AS3813 -- SOGANG-AS-KR sogang university
4 - 163.239.128.0/18 8923 0.1% AS3813 -- SOGANG-AS-KR sogang university
5 - 163.239.0.0/17 8923 0.1% AS3813 -- SOGANG-AS-KR sogang university
6 - 210.110.248.0/22 8922 0.1% AS10045 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY
7 - 210.98.40.0/22 8920 0.1% AS10045 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY
8 - 203.246.186.0/24 8920 0.1% AS9456 -- POSCO-AS POSCO
9 - 210.119.112.0/24 8920 0.1% AS10045 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY
10 - 203.230.104.0/22 8920 0.1% AS10045 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY
11 - 203.230.96.0/21 8918 0.1% AS10045 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY
12 - 202.30.46.0/23 8916 0.1% AS10045 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY
13 - 220.66.143.0/24 8916 0.1% AS10045 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY
14 - 220.66.144.0/22 8912 0.1% AS10045 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY
15 - 220.66.148.0/23 8912 0.1% AS10045 -- TNUTNET-AS HANBAT NATIONAL UNIVERSITY
16 - 210.182.8.0/24 8908 0.1% AS9846 -- FIRSTDATA-AS-KR FDIK
17 - 203.252.168.0/24 8899 0.1% AS9459 -- ASKONKUK Konkuk University
18 - 210.119.217.0/24 8899 0.1% AS9459 -- ASKONKUK Konkuk University
19 - 203.252.166.0/24 8897 0.1% AS9459 -- ASKONKUK Konkuk University
20 - 210.119.219.0/24 8897 0.1% AS9459 -- ASKONKUK Konkuk University
Details at http://bgpupdates.potaroo.net
