[apops] The Cidr Report

  • To: cidr-report at potaroo dot net
  • Subject: [apops] The Cidr Report
  • From: cidr-report at potaroo dot net
  • Date: Fri, 4 Oct 2002 22:00:02 +1000 (EST)
  • Cc: nanog at merit dot edu, eof-list at ripe dot net, apops at lists dot apnic dot net, routing-wg at ripe dot net, afnog at afnog dot org
  • Sender: owner-apops@lists.apnic.net
    • This report has been generated at Fri Oct  4 20:32:37 2002 AEST.
      The report analyses the BGP Routing Table of the Route-Views router
      and generates a report on aggregation potential within the table.
      
      Check http://www.cidr-report.org for a current version of this report.
      
      Recent Table History
              Date      Prefixes    CIDR Agg
              27-09-02    122059       87644
              28-09-02    123673       89338
              29-09-02    123700       89158
              30-09-02    123661       89486
              01-10-02    123327       89413
              02-10-02    124542       90028
              03-10-02    124827       89771
              04-10-02    124944       88633
      
      Possible Bogus Routes
      
              39.0.0.0/8           AS4554  EP0-BLK-ASNBLOCK-4 Exchange Point Blocks
      
      
      AS Summary
               14015  Number of ASes in routing system
                5367  Number of ASes announcing only one prefix
                2193  Largest number of prefixes announced by an AS
                      AS209  : ASN-QWEST Qwest
            72696064  Largest address span announced by an AS (/32s)
                      AS568  : SUMNET-AS DISO-UNRRA
      
      
      Aggregation Summary
      The algorithm used in this report proposes aggregation only
      when there is a precise match using the AS path, so as 
      to preserve traffic transit policies. Aggregation is also
      proposed across non-advertised address space ('holes').
      
       --- 04Oct02 ---
      ASnum    NetsNow NetsAggr  NetGain   % Gain   Description
      
      Table     124806    88707    36099    28.9%   All ASes
      
      AS209       2193     1142     1051    47.9%   ASN-QWEST Qwest
      AS4999      1028      132      896    87.2%   SPRINTIPDIAL Sprint
      AS174       1824     1234      590    32.3%   PSINET PSINet Inc.
      AS7132       595       73      522    87.7%   SBIS-AS Southwestern Bell
                                                     Internet Services
      AS3908      1115      610      505    45.3%   SUPERNETASBLK SuperNet, Inc.
      AS701       1786     1284      502    28.1%   ALTERNET-AS UUNET
                                                     Technologies, Inc.
      AS2548      1586     1123      463    29.2%   ICIX-MD-AS Business Internet,
                                                     Inc.
      AS7018      1366      960      406    29.7%   ATT-INTERNET4 AT&T WorldNet
                                                     Services
      AS1221      1305      937      368    28.2%   ASN-TELSTRA Telstra Pty Ltd
      AS4323       648      298      350    54.0%   TW-COMM Time Warner
                                                     Communications, Inc.
      AS7843       715      385      330    46.2%   ADELPHIA-AS Adelphia Corp.
      AS3215       626      305      321    51.3%   AS3215 France Telecom Transpac
      AS852        762      461      301    39.5%   ASN852 Telus Advanced
                                                     Communications
      AS6197       390       98      292    74.9%   BATI-ATL BellSouth Network
                                                     Solutions, Inc
      AS18566      291        4      287    98.6%   COVAD Covad Communications
      AS7046       579      304      275    47.5%   UUNET-CUSTOMER UUNET
                                                     Technologies, Inc.
      AS6347       358       88      270    75.4%   DIAMOND SAVVIS Communications
                                                     Corporation
      AS4151       280       32      248    88.6%   USDA-1 USDA
      AS1580       319       85      234    73.4%   HQ, 5th Signal Command
      AS1          672      449      223    33.2%   GNTY-1 Genuity
      AS4814       255       35      220    86.3%   CHINANET-BEIJING-AP China
                                                     Telecom (Group)Beijing
                                                     Telecom CompanyBeijing China
      AS705        407      197      210    51.6%   ASN-ALTERNET UUNET
                                                     Technologies, Inc.
      AS1239       849      651      198    23.3%   SprintLink Sprint
      AS4355       382      184      198    51.8%   ERMS-EARTHLNK EARTHLINK, INC
      AS22927      215       20      195    90.7%   AR-TEAR2-LACNIC TELEFONICA DE
                                                     ARGENTINA
      AS690        518      325      193    37.3%   NSFNET-T3-RT-AS Merit Network
                                                     Inc.
      AS6595       250       66      184    73.6%   DODDSEUR DoD Education
                                                     Activity Network Assistance
                                                     Center
      AS3356       378      211      167    44.2%   LEVEL3 Level 3 Communications,
                                                     LLC
      AS1791       184       21      163    88.6%   SPRINTLINK3 Sprint Government
                                                     Systems Division
      AS6327       180       19      161    89.4%   SHAWFIBER Shaw Fiberlink
                                                     Limited
      
      Total      22056    11733    10323    46.8%   Top 30 total
      
      
      
      Please see http://www.cidr-report.org for the full report
      
      ------------------------------------
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        afnog at afnog dot org
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