[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, 11 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 11 21:45:36 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
              04-10-02    114025       82170
              05-10-02    114135       82280
              06-10-02    114325       82318
              07-10-02    114398       82256
              08-10-02    114434       82620
              09-10-02    114687       82510
              10-10-02    114415       82589
              11-10-02    114611       82621
      
      Possible Bogus Routes
      
              192.0.0.0/24         AS3215  AS3215 France Telecom Transpac
      
      
      AS Summary
               13857  Number of ASes in routing system
                5394  Number of ASes announcing only one prefix
                1762  Largest number of prefixes announced by an AS
                      AS701  : ALTERNET-AS UUNET Technologies, Inc.
            73081088  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').
      
       --- 11Oct02 ---
      ASnum    NetsNow NetsAggr  NetGain   % Gain   Description
      
      Table     114736    82545    32191    28.1%   All ASes
      
      AS4637       703      119      584    83.1%   REACH Reach Network Border AS
      AS7132       594       71      523    88.0%   SBIS-AS Southwestern Bell
                                                     Internet Services
      AS3908      1036      533      503    48.6%   SUPERNETASBLK SuperNet, Inc.
      AS701       1762     1277      485    27.5%   ALTERNET-AS UUNET
                                                     Technologies, Inc.
      AS7843       721      327      394    54.6%   ADELPHIA-AS Adelphia Corp.
      AS7018      1349      992      357    26.5%   ATT-INTERNET4 AT&T WorldNet
                                                     Services
      AS4323       519      182      337    64.9%   TW-COMM Time Warner
                                                     Communications, Inc.
      AS1221      1206      886      320    26.5%   ASN-TELSTRA Telstra Pty Ltd
      AS18566      298        4      294    98.7%   COVAD Covad Communications
      AS852        736      457      279    37.9%   ASN852 Telus Advanced
                                                     Communications
      AS6347       342       77      265    77.5%   DIAMOND SAVVIS Communications
                                                     Corporation
      AS4151       292       37      255    87.3%   USDA-1 USDA
      AS6197       392      140      252    64.3%   BATI-ATL BellSouth Network
                                                     Solutions, Inc
      AS4355       370      126      244    65.9%   ERMS-EARTHLNK EARTHLINK, INC
      AS7046       574      337      237    41.3%   UUNET-CUSTOMER UUNET
                                                     Technologies, Inc.
      AS209        573      337      236    41.2%   ASN-QWEST Qwest
      AS1239       874      655      219    25.1%   SprintLink Sprint
      AS1          652      437      215    33.0%   GNTY-1 Genuity
      AS4814       225       15      210    93.3%   CHINANET-BEIJING-AP China
                                                     Telecom (Group)Beijing
                                                     Telecom CompanyBeijing China
      AS705        409      201      208    50.9%   ASN-ALTERNET UUNET
                                                     Technologies, Inc.
      AS22927      215       20      195    90.7%   AR-TEAR2-LACNIC TELEFONICA DE
                                                     ARGENTINA
      AS6595       248       57      191    77.0%   DODDSEUR DoD Education
                                                     Activity Network Assistance
                                                     Center
      AS17676      224       34      190    84.8%   GIGAINFRA APNIC ASN block
      AS690        518      329      189    36.5%   NSFNET-T3-RT-AS Merit Network
                                                     Inc.
      AS4134       293      111      182    62.1%   ERX-CHINALINK Data
                                                     Communications Bureau
      AS17557      293      115      178    60.8%   PKTELECOM-AS-AP APNIC ASN
                                                     block
      AS6198       396      221      175    44.2%   BATI-MIA BellSouth Network
                                                     Solutions, Inc
      AS2048       262       89      173    66.0%   LANET-1 State of Louisiana
      AS2548       438      270      168    38.4%   ICIX-MD-AS Business Internet,
                                                     Inc.
      AS174        298      133      165    55.4%   PSINET PSINet Inc.
      
      Total      16812     8589     8223    48.9%   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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