BGP Update Report

cidr-report at potaroo.net cidr-report at potaroo.net
Fri May 18 12:00:02 UTC 2007


BGP Update Report
Interval: 04-May-07 -to- 14-May-07 (10 days)
Observation Point: BGP Peering with AS4637

TOP 20 Unstable Origin AS
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS306             22191  2.3%     121.9 -- DNIC - DoD Network Information Center
 2 - AS4775            20361  2.1%     134.0 -- GLOBE-TELECOM-AS Telecom Carrier  /  ISP Plus +
 3 - AS7018            13357  1.4%       8.9 -- ATT-INTERNET4 - AT&T WorldNet Services
 4 - AS2386            12429  1.3%      10.9 -- INS-AS - AT&T Data Communications Services
 5 - AS6478            12018  1.3%      10.9 -- ATT-INTERNET3 - AT&T WorldNet Services
 6 - AS24731           12003  1.3%     279.1 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
 7 - AS15471           11352  1.2%      71.0 -- SNR-RO SNR - Societatea Nationala de Radiocomunicatii
 8 - AS1239            10928  1.1%      13.2 -- SPRINTLINK - Sprint
 9 - AS11492           10898  1.1%      10.3 -- CABLEONE - CABLE ONE
10 - AS9837             9690  1.0%      40.2 -- POWERTEL-AP Powertel Ltd
11 - AS5786             9506  1.0%      58.0 -- UPRENET - University of Puerto Rico
12 - AS30890            7403  0.8%      36.1 -- EVOLVA Evolva Telecom
13 - AS5803             7211  0.8%      80.1 -- DDN-ASNBLK - DoD Network Information Center
14 - AS2901             7090  0.8%     191.6 -- OGT-AS - Oso Grande Technologies, Inc.
15 - AS8151             7017  0.7%       5.8 -- Uninet S.A. de C.V.
16 - AS17974            6236  0.7%      17.4 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA
17 - AS34040            6135  0.7%     266.7 -- CZTTNET-AS TTNET Czech Republic
18 - AS4621             5740  0.6%      39.0 -- UNSPECIFIED UNINET-TH
19 - AS6197             5657  0.6%       5.4 -- BATI-ATL - BellSouth Network Solutions, Inc
20 - AS41271            5587  0.6%      58.2 -- AZURE-AS SC AZURE SOFTWARE SRL


TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS30375             901  0.1%     901.0 -- TEVA-NA - Teva Pharmaceuticals USA, INC
 2 - AS34378             623  0.1%     623.0 -- RUG-AS Razguliay-UKRROS Group
 3 - AS30600            1100  0.1%     550.0 -- CSDI-ASN01 - Corbett Systems Development, Inc.
 4 - AS12408             538  0.1%     538.0 -- BIKENT-AS Bikent Ltd. Autonomous system
 5 - AS29700            1592  0.2%     530.7 -- CYPRESS-SEMICONDUCTOR - Cypress Semiconductor
 6 - AS41866             504  0.1%     504.0 -- INTERFAXINC-AS Interfax Inc
 7 - AS28977             836  0.1%     418.0 -- UN-UNLB United Nations Logistics Base Brindisi, Italy
 8 - AS41555             403  0.0%     403.0 -- NOVATKL-AS FW Austria, Kundl
 9 - AS25872             389  0.0%     389.0 -- ARQULE - ArQule Inc.
10 - AS30707            1132  0.1%     377.3 -- 
11 - AS17645            4073  0.4%     370.3 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD
12 - AS33630             337  0.0%     337.0 -- FIRMLOGICWS - FIRMLOGIC
13 - AS10178            3600  0.4%     327.3 -- KBTUS-AS Korea Baptist Theological University/Seminary
14 - AS22433             296  0.0%     296.0 -- HRMC - Human Resource Management Center, Inc.
15 - AS28650             285  0.0%     285.0 -- Dilmar Antonio Simonetti
16 - AS24731           12003  1.3%     279.1 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
17 - AS40981             268  0.0%     268.0 -- UNIVCG University of Montenegro
18 - AS34040            6135  0.7%     266.7 -- CZTTNET-AS TTNET Czech Republic
19 - AS28618             255  0.0%     255.0 -- Linktel Telecomunicacoes do Brasil Ltda
20 - AS3217              739  0.1%     246.3 -- SIMBIRSK


TOP 20 Unstable Prefixes
Rank Prefix             Upds     % Origin AS -- AS Name
 1 - 203.177.10.0/24    9999  0.7%   AS4775  -- GLOBE-TELECOM-AS Telecom Carrier  /  ISP Plus +
 2 - 203.177.132.0/24   9884  0.7%   AS4775  -- GLOBE-TELECOM-AS Telecom Carrier  /  ISP Plus +
 3 - 62.204.228.0/23    3039  0.2%   AS34040 -- CZTTNET-AS TTNET Czech Republic
 4 - 62.204.230.0/23    3010  0.2%   AS34040 -- CZTTNET-AS TTNET Czech Republic
 5 - 89.4.131.0/24      2583  0.2%   AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
 6 - 89.4.130.0/24      2467  0.2%   AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
 7 - 89.4.128.0/24      2464  0.2%   AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
 8 - 89.4.129.0/24      2417  0.2%   AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
 9 - 89.4.158.0/24      1680  0.1%   AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
10 - 194.42.208.0/20    1494  0.1%   AS705   -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
11 - 192.6.180.0/24     1362  0.1%   AS2129  -- HP-EUROPE-AS-TRADE Hewlett-Packard
12 - 58.65.1.0/24       1361  0.1%   AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD
13 - 202.136.182.0/24   1353  0.1%   AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD
14 - 202.136.176.0/24   1351  0.1%   AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD
15 - 216.85.83.0/24     1168  0.1%   AS4323  -- TWTC - Time Warner Telecom, Inc.
16 - 64.95.193.0/24     1064  0.1%   AS30707 -- 
17 - 208.54.88.0/24     1047  0.1%   AS21928 -- T-MOBILE-AS21928 - T-Mobile USA
18 - 192.91.185.0/24    1044  0.1%   AS9837  -- POWERTEL-AP Powertel Ltd
19 - 143.81.0.0/21      1044  0.1%   AS6034  -- DDN-ASNBLK - DoD Network Information Center
20 - 203.23.245.0/24     986  0.1%   AS9837  -- POWERTEL-AP Powertel Ltd

Details at http://bgpupdates.potaroo.net
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