[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, 18 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 18 21:45:11 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
              11-10-02    114611       82522
              12-10-02    114687       82431
              13-10-02    114551       82294
              14-10-02    114344       82657
              15-10-02    114786       82675
              16-10-02    114805       82681
              17-10-02    114726       82664
              18-10-02    114704       82837
      
      Possible Bogus Routes
      
              192.0.0.0/24         AS3215  AS3215  France Telecom Transpac
      
      
      AS Summary
               13878  Number of ASes in routing system
                5410  Number of ASes announcing only one prefix
                1759  Largest number of prefixes announced by an AS
                      AS701  : ALTERNET-AS UUNET Technologies, Inc.
            73212160  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').
      
       --- 18Oct02 ---
      ASnum    NetsNow NetsAggr  NetGain   % Gain   Description
      
      Table     115049    82849    32200    28.0%   All ASes
      
      AS7132       591       68      523    88.5%   SBIS-AS Southwestern Bell
                                                     Internet Services
      AS3908      1059      554      505    47.7%   SUPERNETASBLK SuperNet, Inc.
      AS701       1759     1284      475    27.0%   ALTERNET-AS UUNET
                                                     Technologies, Inc.
      AS7843       756      324      432    57.1%   ADELPHIA-AS Adelphia Corp.
      AS7018      1352      996      356    26.3%   ATT-INTERNET4 AT&T WorldNet
                                                     Services
      AS4323       518      181      337    65.1%   TW-COMM Time Warner
                                                     Communications, Inc.
      AS1221      1201      878      323    26.9%   ASN-TELSTRA Telstra Pty Ltd
      AS18566      313        4      309    98.7%   COVAD Covad Communications
      AS852        737      458      279    37.9%   ASN852 Telus Advanced
                                                     Communications
      AS6347       346       77      269    77.7%   DIAMOND SAVVIS Communications
                                                     Corporation
      AS4355       385      128      257    66.8%   ERMS-EARTHLNK EARTHLINK, INC
      AS7046       578      342      236    40.8%   UUNET-CUSTOMER UUNET
                                                     Technologies, Inc.
      AS209        569      337      232    40.8%   ASN-QWEST Qwest
      AS1239       879      661      218    24.8%   SPRINTLINK Sprint
      AS1          651      434      217    33.3%   GNTY-1 Genuity
      AS705        443      226      217    49.0%   ASN-ALTERNET UUNET
                                                     Technologies, Inc.
      AS4814       229       15      214    93.4%   CHINANET-BEIJING-AP China
                                                     Telecom (Group)
      AS4151       292       88      204    69.9%   USDA-1 USDA
      AS22927      215       20      195    90.7%   AR-TEAR2-LACNIC TELEFONICA DE
                                                     ARGENTINA
      AS6595       249       56      193    77.5%   DODDSEUR DoD Education
                                                     Activity Network Assistance
                                                     Center
      AS17676      224       34      190    84.8%   GIGAINFRA APNIC ASN block
      AS4134       297      113      184    62.0%   ERX-CHINALINK Data
                                                     Communications Bureau
      AS17557      301      121      180    59.8%   PKTELECOM-AS-AP APNIC ASN
                                                     block
      AS6140       256       77      179    69.9%   IMPSAT-USA ImpSat USA, Inc.
      AS2048       262       88      174    66.4%   LANET-1 State of Louisiana
      AS6197       395      226      169    42.8%   BATI-ATL BellSouth Network
                                                     Solutions, Inc
      AS690        517      350      167    32.3%   MERIT-AS-27 Merit Network Inc.
      AS6198       395      229      166    42.0%   BATI-MIA BellSouth Network
                                                     Solutions, Inc
      AS1791       185       21      164    88.6%   SPRINTLINK3 Sprint Government
                                                     Systems Division
      AS2548       426      266      160    37.6%   ICIX-MD-AS Business Internet,
                                                     Inc.
      
      Total      16380     8656     7724    47.2%   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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