BGP Update Report


BGP Update Report
Interval: 03-Nov-08 -to- 04-Dec-08 (32 days)
Observation Point: BGP Peering with AS131072

TOP 20 Unstable Origin AS
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS9583           220468  1.9%     174.8 -- SIFY-AS-IN Sify Limited
 2 - AS4538           206468  1.8%      40.7 -- ERX-CERNET-BKB China Education and Research Network Center
 3 - AS6389           124316  1.1%      28.2 -- BELLSOUTH-NET-BLK - BellSouth.net Inc.
 4 - AS29282           89169  0.8%   29723.0 -- EMENTOR-AS Enfo Oyj
 5 - AS6629            85767  0.8%    1319.5 -- NOAA-AS - NOAA
 6 - AS24863           82881  0.7%     121.3 -- LINKdotNET-AS
 7 - AS1803            82320  0.7%      58.0 -- ICMNET-5 - Sprint
 8 - AS10396           72006  0.6%    1241.5 -- COQUI-NET - DATACOM CARIBE, INC.
 9 - AS209             71474  0.6%      23.1 -- ASN-QWEST - Qwest Communications Corporation
10 - AS8151            65993  0.6%      30.0 -- Uninet S.A. de C.V.
11 - AS20115           61091  0.5%      29.5 -- CHARTER-NET-HKY-NC - Charter Communications
12 - AS6478            59692  0.5%      34.0 -- ATT-INTERNET3 - AT&T WorldNet Services
13 - AS6458            52991  0.5%     120.2 -- Telgua
14 - AS6298            52316  0.5%      24.0 -- ASN-CXA-PH-6298-CBS - Cox Communications Inc.
15 - AS7643            50161  0.4%      31.1 -- VNN-AS-AP Vietnam Posts and Telecommunications (VNPT)
16 - AS3462            49339  0.4%     238.4 -- HINET Data Communication Business Group
17 - AS2386            47910  0.4%      29.4 -- INS-AS - AT&T Data Communications Services
18 - AS1785            45772  0.4%      26.7 -- AS-PAETEC-NET - PaeTec Communications, Inc.
19 - AS17488           45056  0.4%      30.9 -- HATHWAY-NET-AP Hathway IP Over Cable Internet
20 - AS4323            40246  0.3%      24.9 -- TWTC - tw telecom holdings, inc.


TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS29282           89169  0.8%   29723.0 -- EMENTOR-AS Enfo Oyj
 2 - AS14106           37485  0.3%   18742.5 -- LEPMED01 - Leprechaun, LLC
 3 - AS30287            4792  0.0%    4792.0 -- ALON-USA - ALON USA, LP
 4 - AS41007           18173  0.2%    3634.6 -- CTCASTANA CTC ASTANA, KZ
 5 - AS4130            16727  0.1%    3345.4 -- UPITT-AS - University of Pittsburgh
 6 - AS32398           24113  0.2%    3014.1 -- REALNET-ASN-1
 7 - AS15561            2972  0.0%    2972.0 -- CDS-ITALY C.D.S. Informatica S.r.l.
 8 - AS46115           29419  0.3%    2941.9 -- LUTHER - Luther College
 9 - AS47731            2873  0.0%    2873.0 -- ISDC-AS SC ISDC ROMANIA SRL
10 - AS23917            2680  0.0%    2680.0 -- BRIBIE-NET-AS-AP Bribie Island Net Multihomed, Brisbane
11 - AS30306           12883  0.1%    2576.6 -- AfOL-Sz-AS
12 - AS30969           19941  0.2%    2492.6 -- TAN-NET TransAfrica Networks
13 - AS40194            2473  0.0%    2473.0 -- INHOUSE-ASSOCIATES-LC - Inhouse Associates, L.C.
14 - AS5033            21917  0.2%    2435.2 -- ISW - Internet Specialties West Inc.
15 - AS28519            7156  0.1%    2385.3 -- Universidad Autonoma de Guadalajara
16 - AS25799            2188  0.0%    2188.0 -- HOLMAN - Holman Enterprises
17 - AS14220           10896  0.1%    2179.2 -- I2A - I 20 Access
18 - AS43925            4211  0.0%    2105.5 -- MOLDCELL_AS Moldcell SA Autonomous System
19 - AS48131            2088  0.0%    2088.0 -- VANGUARD-BG-AS Vanguard SA
20 - AS31901            2079  0.0%    2079.0 -- THECHIMES - The Chimes, Inc.


TOP 20 Unstable Prefixes
Rank Prefix             Upds     % Origin AS -- AS Name
 1 - 77.95.144.0/22    71550  0.6%   AS29282 -- EMENTOR-AS Enfo Oyj
 2 - 221.134.222.0/24  60545  0.5%   AS9583  -- SIFY-AS-IN Sify Limited
 3 - 210.214.151.0/24  58419  0.5%   AS9583  -- SIFY-AS-IN Sify Limited
 4 - 221.135.80.0/24   39086  0.3%   AS9583  -- SIFY-AS-IN Sify Limited
 5 - 124.7.201.0/24    30734  0.3%   AS9583  -- SIFY-AS-IN Sify Limited
 6 - 192.102.88.0/24   27336  0.2%   AS6629  -- NOAA-AS - NOAA
 7 - 192.35.129.0/24   27027  0.2%   AS6629  -- NOAA-AS - NOAA
 8 - 198.77.177.0/24   27007  0.2%   AS6629  -- NOAA-AS - NOAA
 9 - 41.204.2.0/24     23566  0.2%   AS32398 -- REALNET-ASN-1
10 - 64.162.116.0/24   21754  0.2%   AS5033  -- ISW - Internet Specialties West Inc.
11 - 8.192.154.0/24    20398  0.2%   AS14106 -- LEPMED01 - Leprechaun, LLC
12 - 217.69.48.0/20    17600  0.1%   AS29282 -- EMENTOR-AS Enfo Oyj
13 - 65.44.76.0/24     17087  0.1%   AS14106 -- LEPMED01 - Leprechaun, LLC
14 - 150.212.224.0/19  16637  0.1%   AS4130  -- UPITT-AS - University of Pittsburgh
15 - 192.12.120.0/24   16241  0.1%   AS5691  -- MITRE-AS-5 - The MITRE Corporation
16 - 89.4.131.0/24     11785  0.1%   AS24731 -- ASN-NESMA National Engineering Services and Marketing Company Ltd. (NESMA)
17 - 203.63.26.0/24    11202  0.1%   AS9747  -- EZINTERNET-AS-AP EZInternet Pty Ltd
18 - 196.27.104.0/21    9627  0.1%   AS30969 -- TAN-NET TransAfrica Networks
19 - 196.27.108.0/22    9585  0.1%   AS30969 -- TAN-NET TransAfrica Networks
20 - 195.189.68.0/24    9066  0.1%   AS41007 -- CTCASTANA CTC ASTANA, KZ

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