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Geoff Huston

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IPv6 CIDR REPORT for 2 Sep 10

Report Sections:


This report is generated from an analysis of the BGP routing table within AS2.0 (Route-Views), and was produced at Thu Sep 2 13:15:42 2010 AEST.


Status Summary

Table History


        Date      Prefixes    CIDR Agg
        26-08-10      3370        3012
        27-08-10      3387        3017
        28-08-10      3388        3002
        29-08-10      3383        3002
        30-08-10      3379        3002
        31-08-10      3385        2999
        01-09-10      3399        3026
        02-09-10      3403        3018

 

AS Summary


          2494  Number of ASes in routing system
          2071  Number of ASes announcing only one prefix
            32  Largest number of prefixes announced by an AS
                AS1237 : KREONET-AS-KR Korea Institute of Science and Technology Information
      35188667056128 (/19.00) Largest address span announced by an AS (/64s)
                AS5511 : OPENTRANSIT France Telecom - Orange - Worldwide IP Backbone


Aggregation Summary


The algorithm used in this report proposes aggregation only when there is a precise match using AS path so as to preserve traffic transit policies.

         --- 02Sep10 ---
        ASnum    NetsNow NetsAggr  NetGain   % Gain   Description

        Table       3405     3014      391    11.5%   All ASes

        AS15169       29       10       19    65.5%   GOOGLE - Google Inc.
        AS4434        19        2       17    89.5%   ERX-RADNET1-AS PT Rahajasa Media Internet
        AS42          21        5       16    76.2%   WOODYNET-1 - WoodyNet
        AS17451       18        2       16    88.9%   BIZNET-AS-AP BIZNET ISP
        AS71          16        1       15    93.8%   HP-INTERNET-AS Hewlett-Packard Company
        AS23947       16        1       15    93.8%   CEPATNET-AS-ID Internet Service Provider PT.Mora Telematika Indonesia
        AS33517       23        8       15    65.2%   DYNDNS - Dynamic Network Services, Inc.
        AS31334       21        9       12    57.1%   KABELDEUTSCHLAND-AS Kabel Deutschland Breitband Service GmbH
        AS37944       14        2       12    85.7%   CNNIC-CSTNET-AP CHINA SCIENCE AND TECHNOLOGY NETWORK
        AS1221        13        2       11    84.6%   ASN-TELSTRA Telstra Pty Ltd
        AS23902       11        2        9    81.8%   VNNIC-AS-VN Vietnam Internet network information center (VNNIC)
        AS27814       10        1        9    90.0%   Aeprovi
        AS3491         9        1        8    88.9%   BTN-ASN - Beyond The Network America, Inc.
        AS13768       13        5        8    61.5%   PEER1 - Peer 1 Network Inc.
        AS40009       16        8        8    50.0%   BITGRAVITY - BitGravity, Inc.
        AS17832       10        3        7    70.0%   SIXNGIX-AS-KR Korea Internet Security Agency
        AS15696        7        1        6    85.7%   ARIAN-AS Arian Rasaneh Pars
        AS18779        7        1        6    85.7%   EGIHOSTING - EGIHosting
        AS9293         6        1        5    83.3%   ARCSTAR-HK-AS-AP Arcstar-hk Route server
        AS12041       32       27        5    15.6%   AFILIAS-NST Afilias Limited
        AS3949        11        7        4    36.4%   NTTA-3946 - NTT America, Inc.
        AS4608         6        2        4    66.7%   APNIC-AP Asia Pacific Network Information Center, Pty. Ltd.
        AS7587         6        2        4    66.7%   ACCESSNETWORKS DA-NET::Data:Digital:Dialing:ACCESSNET::ID
        AS22351        7        3        4    57.1%   INTELSAT Intelsat Global BGP Routing Policy
        AS38759        5        1        4    80.0%   AIX-NAP-AS2-ID TRANSMEDIA INDONESIA, PT
        AS42456        5        1        4    80.0%   CHMURTZ-AS CHMURTZ SARL
        AS45147        5        1        4    80.0%   NAPINFO-TRANSIT-AS-AP PT. NAP Info Lintas Nusa
        AS2495         4        1        3    75.0%   KANREN - Kansas Research and Education Network
        AS3303         6        3        3    50.0%   SWISSCOM Swisscom (Switzerland) Ltd
        AS6830         5        2        3    60.0%   UPC UPC Broadband

        Total        371      115      256    69.0%   Top 30 total


        Top 20 Route Count per Originating AS
        Prefixes ASnum   AS Description
              32 AS1237  KREONET-AS-KR Korea Institute of Science and Technology Information
              32 AS12041 AFILIAS-NST Afilias Limited
              29 AS15169 GOOGLE - Google Inc.
              23 AS33517 DYNDNS - Dynamic Network Services, Inc.
              21 AS42    WOODYNET-1 - WoodyNet
              21 AS31334 KABELDEUTSCHLAND-AS Kabel Deutschland Breitband Service GmbH
              19 AS209   ASN-QWEST - Qwest Communications Company, LLC
              19 AS4434  ERX-RADNET1-AS PT Rahajasa Media Internet
              18 AS17451 BIZNET-AS-AP BIZNET ISP
              16 AS71    HP-INTERNET-AS Hewlett-Packard Company
              16 AS23947 CEPATNET-AS-ID Internet Service Provider PT.Mora Telematika Indonesia
              16 AS40009 BITGRAVITY - BitGravity, Inc.
              15 AS12008 ULTRADNS - Centergate Research, LLC.
              14 AS37944 CNNIC-CSTNET-AP CHINA SCIENCE AND TECHNOLOGY NETWORK
              13 AS1221  ASN-TELSTRA Telstra Pty Ltd
              13 AS13768 PEER1 - Peer 1 Network Inc.
              13 AS39912 I3B-AS i3B - Internetbreitband GmbH
              11 AS3949  NTTA-3946 - NTT America, Inc.
              11 AS4637  REACH Reach Network Border AS
              11 AS7575  AARNET-AS-AP Australian Academic and Reasearch Network (AARNet)


Last Week's Changes


This a daily snapshot of changes in routes being withdrawn and added. The deltas are calculated over a rolling 7 day period. Please bear in mind this is purely a "snapshot" and a large flucuation could be caused by a connectivity problem, for example.