BGP Update Report


BGP Update Report
Interval: 22-Jul-07 -to- 22-Aug-07 (32 days)
Observation Point: BGP Peering with AS2.0

TOP 20 Unstable Origin AS
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS9583           163916  2.6%     138.7 -- SIFY-AS-IN Sify Limited
 2 - AS14906          130044  2.0%   26008.8 -- 
 3 - AS6837            78025  1.2%     696.7 -- SWISSCOM-TRANSIT-AS Swisscom Solutions AG
 4 - AS4621            67480  1.1%     455.9 -- UNSPECIFIED UNINET-TH
 5 - AS24731           65731  1.0%    1603.2 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
 6 - AS14201           61213  1.0%    6121.3 -- 
 7 - AS7018            60027  0.9%      38.7 -- ATT-INTERNET4 - AT&T WorldNet Services
 8 - AS30850           56101  0.9%   28050.5 -- DESMIE-AS Hellenic Trasmission System Operator S.A.
 9 - AS13285           47915  0.8%    6845.0 -- OPALTELECOM-AS Opal Telecom
10 - AS17974           36842  0.6%      91.2 -- TELKOMNET-AS2-AP PT TELEKOMUNIKASI INDONESIA
11 - AS237             34504  0.5%     203.0 -- MERIT-AS-14 - Merit Network Inc.
12 - AS702             33242  0.5%      50.4 -- AS702 Verizon Business EMEA - Commercial IP service provider in Europe
13 - AS27289           32634  0.5%   32634.0 -- CLEOCOMMUNICATIONS - CLEO COMMUNICATIONS INC
14 - AS21332           31314  0.5%    1252.6 -- NTC-AS New Telephone Company
15 - AS12975           29787  0.5%     607.9 -- PALTEL-AS PALTEL Autonomous System
16 - AS26210           29423  0.5%     282.9 -- AES Communications Bolivia S.A.
17 - AS8764            29122  0.5%      17.4 -- TEOLTAB TEO LT AB Autonomous System
18 - AS7545            29098  0.5%      38.3 -- TPG-INTERNET-AP TPG Internet Pty Ltd
19 - AS13620           29088  0.5%    2644.4 -- ASN-ELAN - Elan Communications, Inc.
20 - AS5803            27601  0.4%     212.3 -- DDN-ASNBLK - DoD Network Information Center


TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS27289           32634  0.5%   32634.0 -- CLEOCOMMUNICATIONS - CLEO COMMUNICATIONS INC
 2 - AS30850           56101  0.9%   28050.5 -- DESMIE-AS Hellenic Trasmission System Operator S.A.
 3 - AS14906          130044  2.0%   26008.8 -- 
 4 - AS22072           25497  0.4%   25497.0 -- 
 5 - AS26829           12053  0.2%   12053.0 -- YKK-USA - YKK USA,INC
 6 - AS13285           47915  0.8%    6845.0 -- OPALTELECOM-AS Opal Telecom
 7 - AS43043            6523  0.1%    6523.0 -- INTERKOM-AS Interkom Sp. z o.o.
 8 - AS14201           61213  1.0%    6121.3 -- 
 9 - AS21348           10912  0.2%    5456.0 -- KOPTERIFI KOPTERIFI is autonomous system. Located in Vammala Finland
10 - AS30707           13827  0.2%    4609.0 -- 
11 - AS22433            4260  0.1%    4260.0 -- HRMC - Human Resource Management Center, Inc.
12 - AS39408            3100  0.1%    3100.0 -- CZ-ETHERNET AVI ethernet.cz
13 - AS19001            5927  0.1%    2963.5 -- AVENTCOMMTECH - Aventure Communications
14 - AS41688           17539  0.3%    2923.2 -- COSMOFON-AS AS for Cosmofon
15 - AS13620           29088  0.5%    2644.4 -- ASN-ELAN - Elan Communications, Inc.
16 - AS9660             7393  0.1%    2464.3 -- KANNET-AS-AP Telecommunication and ISP company
17 - AS20816            2417  0.0%    2417.0 -- IIP-NET-AS20816 Science and Society Telecomm Center
18 - AS40359            2283  0.0%    2283.0 -- SOUTHEASTERNMILLS-ROME - Southeastern Mills, Inc.
19 - AS30375            2272  0.0%    2272.0 -- TEVA-NA - Teva Pharmaceuticals USA, INC
20 - AS21452           14262  0.2%    2037.4 -- skannet-ibadan


TOP 20 Unstable Prefixes
Rank Prefix             Upds     % Origin AS -- AS Name
 1 - 194.110.73.0/24   56081  0.8%   AS30850 -- DESMIE-AS Hellenic Trasmission System Operator S.A.
 2 - 221.135.22.0/24   52269  0.8%   AS9583  -- SIFY-AS-IN Sify Limited
 3 - 221.135.253.0/24  50241  0.7%   AS9583  -- SIFY-AS-IN Sify Limited
 4 - 62.24.238.0/24    47859  0.7%   AS13285 -- OPALTELECOM-AS Opal Telecom
 5 - 208.46.32.0/24    32634  0.5%   AS27289 -- CLEOCOMMUNICATIONS - CLEO COMMUNICATIONS INC
 6 - 170.65.189.0/24   30669  0.5%   AS14201 -- 
 7 - 170.65.176.0/22   30471  0.5%   AS14201 -- 
 8 - 80.243.64.0/20    30324  0.5%   AS21332 -- NTC-AS New Telephone Company
 9 - 12.27.90.0/24     29515  0.4%   AS14906 -- 
10 - 12.27.91.0/24     29496  0.4%   AS14906 -- 
11 - 12.106.30.0/24    25497  0.4%   AS22072 -- 
12 - 12.27.88.0/24     24257  0.4%   AS14906 -- 
13 - 12.27.89.0/24     24140  0.3%   AS14906 -- 
14 - 117.58.192.0/19   22709  0.3%   AS7491  -- PI-PH-AS-AP PI-PHILIPINES
15 - 12.27.88.0/22     22636  0.3%   AS14906 -- 
16 - 210.214.198.0/24  19344  0.3%   AS9583  -- SIFY-AS-IN Sify Limited
17 - 64.95.193.0/24    13808  0.2%   AS30707 -- 
18 - 89.4.131.0/24     13503  0.2%   AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
19 - 218.241.100.0/24  13158  0.2%   AS24151 -- CNNIC-CRITICAL-AP China Internet Network Infomation Center
20 - 77.247.128.0/20   13114  0.2%   AS34034 -- ARCTEL-AS Arctel Company Main AS
                                     AS43043 -- INTERKOM-AS Interkom Sp. z o.o.

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