BGP Update Report


BGP Update Report
Interval: 28-Apr-11 -to- 05-May-11 (7 days)
Observation Point: BGP Peering with AS131072

TOP 20 Unstable Origin AS
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS9829            39333  2.9%      56.6 -- BSNL-NIB National Internet 
Backbone
 2 - AS19743           31657  2.3%    4522.4 -- 
 3 - AS17974           28594  2.1%      17.2 -- TELKOMNET-AS2-AP PT 
Telekomunikasi Indonesia
 4 - AS14434           22442  1.6%    1870.2 -- 
 5 - AS32528           17741  1.3%    4435.2 -- ABBOTT Abbot Labs
 6 - AS35819           16835  1.2%      62.6 -- MOBILY-AS Etihad Etisalat 
Company (Mobily)
 7 - AS21826           16506  1.2%      54.7 -- Internet Cable Plus C. A.
 8 - AS27738           14198  1.0%      42.0 -- Ecuadortelecom S.A.
 9 - AS35931           13892  1.0%    4630.7 -- ARCHIPELAGO - ARCHIPELAGO 
HOLDINGS INC
10 - AS33475           13725  1.0%      77.5 -- RSN-1 - RockSolid Network, Inc.
11 - AS6458            12607  0.9%      44.5 -- Telgua
12 - AS14420           12564  0.9%      19.0 -- CORPORACION NACIONAL DE 
TELECOMUNICACIONES - CNT EP
13 - AS11992           12441  0.9%      27.3 -- CENTENNIAL-PR - Centennial de 
Puerto Rico
14 - AS1660            11635  0.8%     147.3 -- ANS-CORP-NY - ANS Communications
15 - AS11492           11545  0.8%      24.1 -- CABLEONE - CABLE ONE, INC.
16 - AS9498            10604  0.8%      25.2 -- BBIL-AP BHARTI Airtel Ltd.
17 - AS24560           10290  0.8%      10.3 -- AIRTELBROADBAND-AS-AP Bharti 
Airtel Ltd., Telemedia Services
18 - AS24534           10040  0.7%    2510.0 -- TRANSHYBRID-AS-ID PT. 
Transhybrid Communication
19 - AS15475            9993  0.7%      22.9 -- NOL
20 - AS24757            9813  0.7%     223.0 -- EthioNet-AS


TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS35931           13892  1.0%    4630.7 -- ARCHIPELAGO - ARCHIPELAGO 
HOLDINGS INC
 2 - AS19743           31657  2.3%    4522.4 -- 
 3 - AS32528           17741  1.3%    4435.2 -- ABBOTT Abbot Labs
 4 - AS18704            4334  0.3%    4334.0 -- T-SYSTEMS-NA - T-Systems North 
America, Inc.
 5 - AS17408            3550  0.3%    3550.0 -- ABOVE-AS-AP AboveNet 
Communications Taiwan
 6 - AS44609            9297  0.7%    3099.0 -- FNA Fars News Agency Cultural 
Arts Institute
 7 - AS24534           10040  0.7%    2510.0 -- TRANSHYBRID-AS-ID PT. 
Transhybrid Communication
 8 - AS14434           22442  1.6%    1870.2 -- 
 9 - AS49600            1488  0.1%    1488.0 -- LASEDA La Seda de Barcelona, S.A
10 - AS50324             938  0.1%     938.0 -- ORCO-GSG GSG Asset GmbH & Co. 
Verwaltungs KG
11 - AS27771            1731  0.1%     865.5 -- Instituto Venezolano de 
Investigaciones Cientificas
12 - AS48731             791  0.1%     791.0 -- VSAU-AS Federal State 
Educational Institution of Higher Professional Education Voronezh State 
Agricultural University of K.D.Glinka
13 - AS3454             6308  0.5%     788.5 -- Universidad Autonoma de Nuevo 
Leon
14 - AS11915            3715  0.3%     743.0 -- TELWEST-NETWORK-SVCS-STATIC - 
TEL WEST COMMUNICATIONS LLC
15 - AS27667            1190  0.1%     595.0 -- Universidad Autonoma de la 
Laguna
16 - AS49508             480  0.0%     480.0 -- NEOS1-AS KS-Telecom ltd
17 - AS13610             480  0.0%     480.0 -- PROVOCRAFT-NOVELTY - Provo 
Craft & Novelty, Inc.
18 - AS10445            2351  0.2%     470.2 -- HTG - Huntleigh Telcom
19 - AS3                 447  0.0%     735.0 -- GIGABIT-NET LLC Gigabit
20 - AS3                 433  0.0%    1083.0 -- GIGABIT-NET LLC Gigabit


TOP 20 Unstable Prefixes
Rank Prefix             Upds     % Origin AS -- AS Name
 1 - 202.92.235.0/24    9609  0.7%   AS9498  -- BBIL-AP BHARTI Airtel Ltd.
 2 - 130.36.35.0/24     8872  0.6%   AS32528 -- ABBOTT Abbot Labs
 3 - 130.36.34.0/24     8867  0.6%   AS32528 -- ABBOTT Abbot Labs
 4 - 63.211.68.0/22     7597  0.5%   AS35931 -- ARCHIPELAGO - ARCHIPELAGO 
HOLDINGS INC
 5 - 65.122.196.0/24    6272  0.4%   AS19743 -- 
 6 - 198.140.43.0/24    6232  0.4%   AS35931 -- ARCHIPELAGO - ARCHIPELAGO 
HOLDINGS INC
 7 - 200.23.202.0/24    6148  0.4%   AS3454  -- Universidad Autonoma de Nuevo 
Leon
 8 - 66.248.160.0/22    5650  0.4%   AS14434 -- 
 9 - 66.248.170.0/23    5650  0.4%   AS14434 -- 
10 - 221.121.96.0/19    5594  0.4%   AS7491  -- PI-PH-AS-AP PI-PHILIPINES
11 - 66.248.172.0/23    5566  0.4%   AS14434 -- 
12 - 66.248.168.0/24    5560  0.4%   AS14434 -- 
13 - 66.238.91.0/24     5077  0.3%   AS19743 -- 
14 - 66.89.98.0/24      5077  0.3%   AS19743 -- 
15 - 72.164.144.0/24    5077  0.3%   AS19743 -- 
16 - 65.162.204.0/24    5076  0.3%   AS19743 -- 
17 - 65.163.182.0/24    5076  0.3%   AS19743 -- 
18 - 178.22.72.0/21     4689  0.3%   AS44609 -- FNA Fars News Agency Cultural 
Arts Institute
19 - 178.22.79.0/24     4601  0.3%   AS44609 -- FNA Fars News Agency Cultural 
Arts Institute
20 - 64.43.0.0/16       4334  0.3%   AS18704 -- T-SYSTEMS-NA - T-Systems North 
America, Inc.

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