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BGP Update Report

BGP Update Report
Interval: 22-Jul-10 -to- 29-Jul-10 (7 days)
Observation Point: BGP Peering with AS131072

TOP 20 Unstable Origin AS
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS4725            42987  2.5%     333.2 -- ODN SOFTBANK TELECOM Corp.
 2 - AS25620           25906  1.5%     155.1 -- COTAS LTDA.
 3 - AS30890           23547  1.4%      52.7 -- EVOLVA Evolva Telecom s.r.l.
 4 - AS5536            17248  1.0%     155.4 -- Internet-Egypt
 5 - AS4538            16596  1.0%      56.6 -- ERX-CERNET-BKB China Education and Research Network Center
 6 - AS35805           13596  0.8%      20.7 -- SILKNET-AS SILKNET AS
 7 - AS14420           13130  0.8%      24.1 -- CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP
 8 - AS35931           12653  0.7%    2108.8 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC
 9 - AS8452            12390  0.7%      10.5 -- TEDATA TEDATA
10 - AS6389            12249  0.7%       3.1 -- BELLSOUTH-NET-BLK - BellSouth.net Inc.
11 - AS16526           11337  0.7%      68.7 -- BIRCH-TELECOM - Birch Telecom, Inc.
12 - AS9829            11077  0.7%      13.6 -- BSNL-NIB National Internet Backbone
13 - AS48754           10172  0.6%   10172.0 -- SOBIS-AS SOBIS SOLUTIONS SRL
14 - AS4323             9027  0.5%       3.2 -- TWTC - tw telecom holdings, inc.
15 - AS8151             8956  0.5%       5.8 -- Uninet S.A. de C.V.
16 - AS45464            8700  0.5%     202.3 -- NEXTWEB-AS-AP Room 201, TGU Bldg
17 - AS3816             8541  0.5%      16.6 -- COLOMBIA TELECOMUNICACIONES S.A. ESP
18 - AS11492            8475  0.5%       7.2 -- CABLEONE - CABLE ONE, INC.
19 - AS5800             8120  0.5%      40.4 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center
20 - AS210              8069  0.5%       7.2 -- WEST-NET-WEST - Utah Education Network


TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS48754           10172  0.6%   10172.0 -- SOBIS-AS SOBIS SOLUTIONS SRL
 2 - AS19174            5197  0.3%    5197.0 -- CNC-USA - China Netcom (USA) Operations Ltd.
 3 - AS25090            2415  0.1%    2415.0 -- EOS-AS Energie Ouest Suisse Autonomous System
 4 - AS35931           12653  0.7%    2108.8 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC
 5 - AS23670            1757  0.1%    1757.0 -- OZSERVERS-AU Oz Servers, Data Centres, Australia Wide
 6 - AS29843            6886  0.4%    1147.7 -- FIVEA-AS1 - FIVE AREA SYSTEMS, INC
 7 - AS8792              893  0.1%     893.0 -- ASVNET Axel Springer Verlag AG
 8 - AS11613             748  0.0%     748.0 -- U-SAVE - U-Save Auto Rental of America, Inc.
 9 - AS32528            5369  0.3%     671.1 -- ABBOTT Abbot Labs
10 - AS30600            1988  0.1%     497.0 -- AS-CMN - Cinergy Metronet, Inc.
11 - AS47593             402  0.0%     402.0 -- ATELECOM A-Telcom Ltd
12 - AS38467             394  0.0%     394.0 -- DBAMOYLAN-TRANSIT-AS-AP DBA Moylan
13 - AS44630             389  0.0%     389.0 -- A1799-AS A1799 Military Unit
14 - AS7513              381  0.0%     381.0 -- NETFORWARD Hitachi Information Systems, Ltd.
15 - AS7677              379  0.0%     379.0 -- DNP Dai Nippon Printing Co., Ltd
16 - AS7517              754  0.0%     377.0 -- MII ICOMT Inc.
17 - AS48275             374  0.0%     374.0 -- TSMS-ABKHAZIA-AS Technical Service of Trunk Communications of UPI and SMK of the President of Republic of Abkhazia
18 - AS9352             1080  0.1%     360.0 -- KUMAGAYA KuMaGaYaNet
19 - AS38063             359  0.0%     359.0 -- SANMEDIA-AS SANMEDIA Corporation, Local ISP in JAPAN YONAGO
20 - AS24289            1795  0.1%     359.0 -- KBN Kagawa T.V Broadcast Network Co,.Ltd


TOP 20 Unstable Prefixes
Rank Prefix             Upds     % Origin AS -- AS Name
 1 - 91.212.23.0/24    10172  0.5%   AS48754 -- SOBIS-AS SOBIS SOLUTIONS SRL
 2 - 198.140.43.0/24    6980  0.3%   AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC
 3 - 190.65.228.0/22    6027  0.3%   AS3816  -- COLOMBIA TELECOMUNICACIONES S.A. ESP
 4 - 63.211.68.0/22     5647  0.3%   AS35931 -- ARCHIPELAGO - ARCHIPELAGO HOLDINGS INC
 5 - 207.254.176.0/20   5197  0.2%   AS19174 -- CNC-USA - China Netcom (USA) Operations Ltd.
 6 - 41.34.29.0/24      4202  0.2%   AS8452  -- TEDATA TEDATA
 7 - 206.184.16.0/24    3146  0.1%   AS174   -- COGENT Cogent/PSI
 8 - 130.36.34.0/24     2600  0.1%   AS32528 -- ABBOTT Abbot Labs
 9 - 130.36.35.0/24     2598  0.1%   AS32528 -- ABBOTT Abbot Labs
10 - 202.92.235.0/24    2440  0.1%   AS9498  -- BBIL-AP BHARTI Airtel Ltd.
11 - 193.8.222.0/24     2415  0.1%   AS25090 -- EOS-AS Energie Ouest Suisse Autonomous System
12 - 129.66.0.0/17      1918  0.1%   AS3464  -- ASC-NET - Alabama Supercomputer Network
13 - 129.66.128.0/17    1913  0.1%   AS3464  -- ASC-NET - Alabama Supercomputer Network
14 - 117.20.0.0/24      1757  0.1%   AS23670 -- OZSERVERS-AU Oz Servers, Data Centres, Australia Wide
15 - 143.138.107.0/24   1590  0.1%   AS747   -- TAEGU-AS - Headquarters, USAISC
16 - 63.99.80.0/21      1377  0.1%   AS29843 -- FIVEA-AS1 - FIVE AREA SYSTEMS, INC
17 - 63.99.88.0/22      1377  0.1%   AS29843 -- FIVEA-AS1 - FIVE AREA SYSTEMS, INC
18 - 65.216.40.0/21     1377  0.1%   AS29843 -- FIVEA-AS1 - FIVE AREA SYSTEMS, INC
19 - 63.96.42.0/23      1377  0.1%   AS29843 -- FIVEA-AS1 - FIVE AREA SYSTEMS, INC
20 - 216.229.112.0/20   1377  0.1%   AS29843 -- FIVEA-AS1 - FIVE AREA SYSTEMS, INC

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