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BGP Update Report

BGP Update Report
Interval: 30-Mar-09 -to- 30-Apr-09 (32 days)
Observation Point: BGP Peering with AS131072

TOP 20 Unstable Origin AS
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS6389           371436  4.1%      85.1 -- BELLSOUTH-NET-BLK - BellSouth.net Inc.
 2 - AS3130           123394  1.4%     478.3 -- RGNET-3130 RGnet/PSGnet
 3 - AS2386           111342  1.2%      85.3 -- INS-AS - AT&T Data Communications Services
 4 - AS8452            97850  1.1%      69.2 -- TEDATA TEDATA
 5 - AS6478            83258  0.9%      59.5 -- ATT-INTERNET3 - AT&T WorldNet Services
 6 - AS17488           77778  0.9%      49.9 -- HATHWAY-NET-AP Hathway IP Over Cable Internet
 7 - AS11492           69963  0.8%      56.7 -- CABLEONE - CABLE ONE, INC.
 8 - AS29049           67638  0.8%     208.1 -- DELTA-TELECOM-AS Delta Telecom LTD.
 9 - AS4323            62131  0.7%      14.4 -- TWTC - tw telecom holdings, inc.
10 - AS7018            60224  0.7%      39.5 -- ATT-INTERNET4 - AT&T WorldNet Services
11 - AS19262           58605  0.7%      59.1 -- VZGNI-TRANSIT - Verizon Internet Services Inc.
12 - AS35805           54928  0.6%     167.5 -- UTG-AS United Telecom AS
13 - AS20115           49616  0.6%      29.5 -- CHARTER-NET-HKY-NC - Charter Communications
14 - AS9829            49466  0.6%      76.6 -- BSNL-NIB National Internet Backbone
15 - AS10796           49370  0.6%      85.0 -- SCRR-10796 - Road Runner HoldCo LLC
16 - AS4755            48369  0.5%      38.6 -- TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
17 - AS8151            44307  0.5%      30.3 -- Uninet S.A. de C.V.
18 - AS21491           42886  0.5%    1383.4 -- UTL-ON-LINE UTL On-line is RF broadband ISP in Uganda - Africa
19 - AS9498            37662  0.4%      50.4 -- BBIL-AP BHARTI Airtel Ltd.
20 - AS12978           37120  0.4%     206.2 -- DOGAN-ONLINE Dogan Iletisim Elektronik Servis Hizmetleri AS


TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN                Upds     %  Upds/Pfx    AS-Name
 1 - AS15045           18729  0.2%    6243.0 -- KITTELSON - KITTELSON AND ASSOCIATES, INC.
 2 - AS46653           15874  0.2%    5291.3 -- FREDRIKSON---BYRON - Fredrikson & Byron, P.A.
 3 - AS40967            4236  0.1%    4236.0 -- CSF-AS CSF Computersoftware fuer Fachanwendungen GmbH
 4 - AS32398           19356  0.2%    3226.0 -- REALNET-ASN-1
 5 - AS7717             2763  0.0%    2763.0 -- OPENIXP-AS-ID-AP OpenIXP ASN
 6 - AS14223            5285  0.1%    2642.5 -- NYSDOH - New York State Department of Health
 7 - AS30423            4076  0.1%    2038.0 -- AMEDI-3-ASN1 - Amedisys, Inc.
 8 - AS46328           18132  0.2%    2014.7 -- PTCNEBRASKA - PIERCE TELEPHONE COMPANY, INCORPORATED
 9 - AS47640            5467  0.1%    1822.3 -- TRICOMPAS Tricomp Sp. z. o. o.
10 - AS5050            24977  0.3%    1665.1 -- PSC-EXT - Pittsburgh Supercomputing Center
11 - AS13325           11776  0.1%    1472.0 -- STOMI - State of Michigan, DMB-CNOC
12 - AS21491           42886  0.5%    1383.4 -- UTL-ON-LINE UTL On-line is RF broadband ISP in Uganda - Africa
13 - AS9796             3831  0.0%    1277.0 -- WIPRO Internet Service Providers
14 - AS34321            2274  0.0%    1137.0 -- LDK-AS Institute of strategic marks, Kiev, Ukraine
15 - AS19398            2003  0.0%    1001.5 -- INDENET - Indenet.net
16 - AS17975            8139  0.1%     904.3 -- APT-AP AS# for peering purpose with IX and ISP.
17 - AS5691            10515  0.1%     808.8 -- MITRE-AS-5 - The MITRE Corporation
18 - AS34996             791  0.0%     791.0 -- ANADOLUSIGORTA-AS Anadolu Sigorta AS
19 - AS41492             787  0.0%     787.0 -- EXIMBANK-AS SC Eximbank SA
20 - AS25412            1520  0.0%     760.0 -- CCRTV-AS CCRTV AS Barcelona Spain


TOP 20 Unstable Prefixes
Rank Prefix             Upds     % Origin AS -- AS Name
 1 - 72.23.246.0/24    24846  0.3%   AS5050  -- PSC-EXT - Pittsburgh Supercomputing Center
 2 - 41.204.2.0/24     19003  0.2%   AS32398 -- REALNET-ASN-1
 3 - 199.45.13.0/24    15854  0.2%   AS46653 -- FREDRIKSON---BYRON - Fredrikson & Byron, P.A.
 4 - 192.12.120.0/24   10327  0.1%   AS5691  -- MITRE-AS-5 - The MITRE Corporation
 6 - 192.35.129.0/24    7976  0.1%   AS6629  -- NOAA-AS - NOAA
 7 - 198.77.177.0/24    7907  0.1%   AS6629  -- NOAA-AS - NOAA
 8 - 192.102.88.0/24    7894  0.1%   AS6629  -- NOAA-AS - NOAA
 9 - 63.103.104.0/22    6486  0.1%   AS15045 -- KITTELSON - KITTELSON AND ASSOCIATES, INC.
10 - 63.103.108.0/23    6486  0.1%   AS15045 -- KITTELSON - KITTELSON AND ASSOCIATES, INC.
11 - 195.96.69.0/24     6143  0.1%   AS8225  -- ASTELIT-MSK-AS Astelit Autonomous System
12 - 63.103.110.0/24    5757  0.1%   AS15045 -- KITTELSON - KITTELSON AND ASSOCIATES, INC.
13 - 193.201.184.0/21   5649  0.1%   AS25546 -- BROOKLANDCOMP-AS Brookland Computer Services
14 - 94.124.16.0/21     5424  0.1%   AS47640 -- TRICOMPAS Tricomp Sp. z. o. o.
15 - 123.49.152.0/24    5358  0.1%   AS18118 -- CITICNET-AP CITIC Networks Management Co.,Ltd.
16 - 192.135.176.0/24   5268  0.1%   AS14223 -- NYSDOH - New York State Department of Health
17 - 202.92.235.0/24    4899  0.1%   AS9498  -- BBIL-AP BHARTI Airtel Ltd.
18 - 123.49.144.0/21    4804  0.1%   AS18118 -- CITICNET-AP CITIC Networks Management Co.,Ltd.
19 - 205.104.240.0/20   4701  0.1%   AS5237  -- DODNIC - DoD Network Information Center
                                     AS5839  -- DDN-ASNBLK - DoD Network Information Center
20 - 81.199.18.0/24     4418  0.1%   AS21491 -- UTL-ON-LINE UTL On-line is RF broadband ISP in Uganda - Africa

Details at http://bgpupdates.potaroo.net
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