BGP Update Report


BGP Update Report
Interval: 27-Apr-07 -to- 10-May-07 (14 days)
Observation Point: BGP Peering with AS4637

TOP 20 Unstable Origin AS
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS4775            35803  2.7%     288.7 -- GLOBE-TELECOM-AS Telecom Carrier  /  ISP Plus +
 2 - AS1239            23919  1.8%      29.9 -- SPRINTLINK - Sprint
 3 - AS306             20164  1.5%     110.8 -- DNIC - DoD Network Information Center
 4 - AS17974           17698  1.3%      66.3 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA
 5 - AS7018            16753  1.3%      11.1 -- ATT-INTERNET4 - AT&T WorldNet Services
 6 - AS24731           16522  1.2%     384.2 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
 7 - AS6478            14579  1.1%      13.2 -- ATT-INTERNET3 - AT&T WorldNet Services
 8 - AS2386            12859  1.0%      11.2 -- INS-AS - AT&T Data Communications Services
 9 - AS11492           12246  0.9%      16.4 -- CABLEONE - CABLE ONE
10 - AS6198            11369  0.9%      18.5 -- BATI-MIA - BellSouth Network Solutions, Inc
11 - AS5803            10710  0.8%     119.0 -- DDN-ASNBLK - DoD Network Information Center
12 - AS8151             9511  0.7%       7.9 -- Uninet S.A. de C.V.
13 - AS9121             8560  0.7%      44.6 -- TTNET TTnet Autonomous System
14 - AS9829             8500  0.6%      32.6 -- BSNL-NIB National Internet Backbone
15 - AS5786             8386  0.6%      79.1 -- UPRENET - University of Puerto Rico
16 - AS34040            8316  0.6%     332.6 -- CZTTNET-AS TTNET Czech Republic
17 - AS702              7926  0.6%      11.5 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe
18 - AS6197             7781  0.6%       7.5 -- BATI-ATL - BellSouth Network Solutions, Inc
19 - AS2901             7057  0.5%     190.7 -- OGT-AS - Oso Grande Technologies, Inc.
20 - AS11556            6931  0.5%      45.6 -- Cable & Wireless Panama


TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS31594            1682  0.1%    1682.0 -- FORTESS-AS Fortess LLC Network
 2 - AS30375            1364  0.1%    1364.0 -- TEVA-NA - Teva Pharmaceuticals USA, INC
 3 - AS1708              883  0.1%     883.0 -- FR-CNET-ISSY - Centre National d'Etudes des Telecommunication -- CNET
 4 - AS20133             861  0.1%     861.0 -- CASS-COL - CASS INFORMATION SYSTEMS
 5 - AS34378             854  0.1%     854.0 -- RUG-AS Razguliay-UKRROS Group
 6 - AS29700            2170  0.2%     723.3 -- CYPRESS-SEMICONDUCTOR - Cypress Semiconductor
 7 - AS30600            1319  0.1%     659.5 -- CSDI-ASN01 - Corbett Systems Development, Inc.
 8 - AS28977            1253  0.1%     626.5 -- UN-UNLB United Nations Logistics Base Brindisi, Italy
 9 - AS17645            6108  0.5%     555.3 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD
10 - AS41555             550  0.0%     550.0 -- NOVATKL-AS FW Austria, Kundl
11 - AS30707            1610  0.1%     536.7 -- 
12 - AS33232            1066  0.1%     533.0 -- ERXNETWORK - eRx Network
13 - AS7234              531  0.0%     531.0 -- RUSSELL - Frank Russell
14 - AS12408             481  0.0%     481.0 -- BIKENT-AS Bikent Ltd. Autonomous system
15 - AS22720             459  0.0%     459.0 -- LEXENT-INC-3NYP-301 - Lexent, Inc.
16 - AS8225              415  0.0%     415.0 -- ASTELIT-MSK-AS Astelit Autonomous System
17 - AS10178            4543  0.3%     413.0 -- KBTUS-AS Korea Baptist Theological University/Seminary
18 - AS41866             398  0.0%     398.0 -- INTERFAXINC-AS Interfax Inc
19 - AS33630             390  0.0%     390.0 -- FIRMLOGICWS - FIRMLOGIC
20 - AS24731           16522  1.2%     384.2 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)


TOP 20 Unstable Prefixes
Rank Prefix             Upds     % Origin AS -- AS Name
 1 - 203.177.10.0/24   13212  0.8%   AS4775  -- GLOBE-TELECOM-AS Telecom Carrier  /  ISP Plus +
 2 - 203.177.132.0/24  12972  0.8%   AS4775  -- GLOBE-TELECOM-AS Telecom Carrier  /  ISP Plus +
 3 - 62.204.228.0/23    4032  0.2%   AS34040 -- CZTTNET-AS TTNET Czech Republic
 4 - 62.204.230.0/23    4007  0.2%   AS34040 -- CZTTNET-AS TTNET Czech Republic
 5 - 89.4.128.0/24      3419  0.2%   AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
 6 - 89.4.130.0/24      3367  0.2%   AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
 7 - 89.4.131.0/24      3325  0.2%   AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
 8 - 89.4.129.0/24      3264  0.2%   AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
 9 - 89.4.158.0/24      2602  0.2%   AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
10 - 81.212.197.0/24    2580  0.2%   AS9121  -- TTNET TTnet Autonomous System
11 - 81.213.47.0/24     2285  0.1%   AS9121  -- TTNET TTnet Autonomous System
12 - 194.42.208.0/20    1975  0.1%   AS705   -- UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
13 - 202.136.182.0/24   1929  0.1%   AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD
14 - 202.136.176.0/24   1928  0.1%   AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD
15 - 58.65.1.0/24       1918  0.1%   AS17645 -- NTT-SG-AP ASN - NTT SINGAPORE PTE LTD
16 - 192.160.223.0/24   1870  0.1%   AS1239  -- SPRINTLINK - Sprint
17 - 192.160.220.0/24   1870  0.1%   AS1239  -- SPRINTLINK - Sprint
18 - 192.160.219.0/24   1870  0.1%   AS1239  -- SPRINTLINK - Sprint
19 - 192.160.221.0/24   1870  0.1%   AS1239  -- SPRINTLINK - Sprint
20 - 192.160.217.0/24   1870  0.1%   AS1239  -- SPRINTLINK - Sprint

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