[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, 25 Oct 2002 22:00:01 +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 25 21:44:47 2002 AEST.
      The report analyses the BGP Routing Table of an AS4637 (Reach) router
      and generates a report on aggregation potential within the table.
      
      Check http://www.cidr-report.org/as4637 for a current version of this report.
      
      Recent Table History
              Date      Prefixes    CIDR Agg
              18-10-02    114704       82884
              19-10-02    115116       82872
              20-10-02    114956       82781
              21-10-02    114861       82208
              22-10-02    115010       82457
              23-10-02    115086       82530
              24-10-02    115044       82513
              25-10-02    114752       82519
      
      
      AS Summary
               13926  Number of ASes in routing system
                5448  Number of ASes announcing only one prefix
                1750  Largest number of prefixes announced by an AS
                      AS701  : ALTERNET-AS UUNET Technologies, Inc.
            73146368  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').
      
       --- 25Oct02 ---
      ASnum    NetsNow NetsAggr  NetGain   % Gain   Description
      
      Table     115124    82508    32616    28.3%   All ASes
      
      AS3908      1062      559      503    47.4%   SUPERNETASBLK SuperNet, Inc.
      AS701       1750     1260      490    28.0%   ALTERNET-AS UUNET
                                                     Technologies, Inc.
      AS7843       759      337      422    55.6%   ADELPHIA-AS Adelphia Corp.
      AS2828       472      102      370    78.4%   XO-AS15 XO Communications
      AS7018      1361     1003      358    26.3%   ATT-INTERNET4 AT&T WorldNet
                                                     Services
      AS7132       415       70      345    83.1%   SBIS-AS Southwestern Bell
                                                     Internet Services
      AS6198       419       80      339    80.9%   BATI-MIA BellSouth Network
                                                     Solutions, Inc
      AS4323       519      181      338    65.1%   TW-COMM Time Warner
                                                     Communications, Inc.
      AS1221      1196      874      322    26.9%   ASN-TELSTRA Telstra Pty Ltd
      AS18566      326        4      322    98.8%   COVAD Covad Communications
      AS7046       587      299      288    49.1%   UUNET-CUSTOMER UUNET
                                                     Technologies, Inc.
      AS852        737      458      279    37.9%   ASN852 Telus Advanced
                                                     Communications
      AS6347       350       75      275    78.6%   DIAMOND SAVVIS Communications
                                                     Corporation
      AS4355       385      125      260    67.5%   ERMS-EARTHLNK EARTHLINK, INC
      AS705        442      203      239    54.1%   ASN-ALTERNET UUNET
                                                     Technologies, Inc.
      AS4151       292       55      237    81.2%   USDA-1 USDA
      AS209        572      338      234    40.9%   ASN-QWEST Qwest
      AS1239       885      663      222    25.1%   SPRINTLINK Sprint
      AS1          651      434      217    33.3%   GNTY-1 Genuity
      AS4814       232       15      217    93.5%   CHINANET-BEIJING-AP China
                                                     Telecom (Group)Beijing
                                                     Telecom CompanyBeijing China
      AS17557      314      118      196    62.4%   PKTELECOM-AS-AP APNIC ASN
                                                     block
      AS22927      215       20      195    90.7%   AR-TEAR2-LACNIC TELEFONICA DE
                                                     ARGENTINA
      AS690        517      324      193    37.3%   MERIT-AS-27 Merit Network Inc.
      AS6140       258       65      193    74.8%   IMPSAT-USA ImpSat USA, Inc.
      AS6595       249       56      193    77.5%   DODDSEUR DoD Education
                                                     Activity Network Assistance
                                                     Center
      AS17676      224       34      190    84.8%   GIGAINFRA APNIC ASN block
      AS4134       296      113      183    61.8%   ERX-CHINALINK Data
                                                     Communications Bureau
      AS2048       265       88      177    66.8%   LANET-1 State of Louisiana
      AS174        290      133      157    54.1%   PSINET PSINet Inc.
      AS2548       401      244      157    39.2%   ICIX-MD-AS Business Internet,
                                                     Inc.
      
      Total      16441     8330     8111    49.3%   Top 30 total
      
      
      
      Please see http://www.cidr-report.org for the full report
      
      ------------------------------------
      Copies of this report are mailed to:
        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
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