[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 Jun 2004 22:00:00 +1000 (EST)
  • Cc: swinog at swinog dot ch, nanog at merit dot edu, routing-wg at ripe dot net, apops at apops dot net,eof-list at ripe dot net, afnog at afnog dot org
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    • 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
              11-06-04    137772       95908
              12-06-04    137971       95834
              13-06-04    137854       95723
              14-06-04    137664       95727
              15-06-04    137880       95878
              16-06-04    137962       95909
              17-06-04    138035       95954
              18-06-04    138004       95892
      
      
      AS Summary
               17357  Number of ASes in routing system
                7047  Number of ASes announcing only one prefix
                1425  Largest number of prefixes announced by an AS
                      AS7018 : ATTW AT&T WorldNet Services
            54149120  Largest address span announced by an AS (/32s)
                      AS721  : DNIC DoD Network Information Center
      
      
      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').
      
       --- 18Jun04 ---
      ASnum    NetsNow NetsAggr  NetGain   % Gain   Description
      
      Table     138095    95947    42148    30.5%   All ASes
      
      AS6347       934      161      773    82.8%   SAVV SAVVIS Communications
                                                     Corporation
      AS4134       737      159      578    78.4%   CHINANET-BACKBONE
                                                     No.31,Jin-rong Street
      AS4323       739      206      533    72.1%   TWTC Time Warner Telecom
      AS18566      716      193      523    73.0%   CVAD Covad Communications
      AS7018      1425      989      436    30.6%   ATTW AT&T WorldNet Services
      AS6197       704      324      380    54.0%   BNS-14 BellSouth Network
                                                     Solutions, Inc
      AS7843       506      129      377    74.5%   ADELPH-13 Adelphia Corp.
      AS701       1292      926      366    28.3%   UU UUNET Technologies, Inc.
      AS22909      386       33      353    91.5%   CMCS Comcast Cable
                                                     Communications, Inc.
      AS9583       459      116      343    74.7%   SATYAMNET-AS Satyam Infoway
                                                     Ltd.,
      AS27364      376       38      338    89.9%   ARMC Armstrong Cable Services
      AS6198       569      233      336    59.1%   BNS-14 BellSouth Network
                                                     Solutions, Inc
      AS22773      387       63      324    83.7%   CXAB Cox Communications Inc.
                                                     Atlanta
      AS1239       948      642      306    32.3%   SPRN Sprint
      AS11172      354       56      298    84.2%   Servicios Alestra S.A de C.V
      AS17676      339       50      289    85.3%   JPNIC-JP-ASN-BLOCK Japan
                                                     Network Information Center
      AS4355       381       99      282    74.0%   ERSD EARTHLINK, INC
      AS9929       314       33      281    89.5%   CNCNET-CN China Netcom Corp.
      AS6478       305       48      257    84.3%   ATTW AT&T WorldNet Services
      AS1221       849      617      232    27.3%   ASN-TELSTRA Telstra Pty Ltd
      AS14654      237        5      232    97.9%   WAYPOR-3 Wayport
      AS25844      243       16      227    93.4%   SASMFL-2 Skadden, Arps, Slate,
                                                     Meagher & Flom LLP
      AS6140       390      168      222    56.9%   IMPSA ImpSat
      AS3356       892      676      216    24.2%   LEVEL3 Level 3 Communications
      AS4766       479      264      215    44.9%   KIX Korea Internet Exchange
                                                     for "96 World Internet
                                                     Exposition
      AS9443       356      154      202    56.7%   INTERNETPRIMUS-AS-AP Primus
                                                     Telecommunications
      AS2386       426      230      196    46.0%   ADCS-1 AT&T Data
                                                     Communications Services
      AS5668       383      192      191    49.9%   CIH-12 CenturyTel Internet
                                                     Holdings, Inc.
      AS6467       223       35      188    84.3%   ACSI e.spire Communications,
                                                     Inc.
      AS6327       209       29      180    86.1%   SHAWC-2 Shaw Communications
                                                     Inc.
      
      Total      16558     6884     9674    58.4%   Top 30 total
      
      
      Possible Bogus Routes
      
              24.138.80.0/20       AS11260 AHSICHCL Andara High Speed Internet c/o Halifax Cable Ltd.
              24.246.0.0/17        AS7018  ATTW AT&T WorldNet Services
              24.246.128.0/18      AS7018  ATTW AT&T WorldNet Services
              64.46.4.0/22         AS11711 TULARO TULAROSA COMMUNICATIONS
              64.46.12.0/24        AS7850  IHIGHW iHighway.net, Inc.
              64.46.27.0/24        AS8674  NETNOD-IX Netnod Internet Exchange Sverige AB
              64.46.34.0/24        AS3408  
              64.46.63.0/24        AS7850  IHIGHW iHighway.net, Inc.
              66.114.0.0/19        AS16526 BIRCHT Birch Telecom, Inc.
              69.26.32.0/19        AS17307 VIRTEL-15 Virtela Communications
              132.0.0.0/10         AS568   DISOUN DISO-UNRRA
              137.0.0.0/13         AS721   DNIC DoD Network Information Center
              138.136.0.0/13       AS721   DNIC DoD Network Information Center
              158.0.0.0/13         AS721   DNIC DoD Network Information Center
              192.30.93.0/24       AS17757 HPAUS-AP HP Australia
              192.30.94.0/24       AS17757 HPAUS-AP HP Australia
              192.30.127.0/24      AS719   LANLINK Elisa Oyj
              192.40.105.0/24      AS5515  SONERA-GLOBAL-IP Sonera Solution Autonomous System
              192.43.230.0/24      AS4738  SAARDNET-AS South Australian Academic Research and Development Network
              192.44.0.0/19        AS702   AS702 MCI EMEA
              192.81.182.0/24      AS719   LANLINK Elisa Oyj
              192.81.183.0/24      AS719   LANLINK Elisa Oyj
              192.81.184.0/24      AS719   LANLINK Elisa Oyj
              192.119.135.0/24     AS270   NASA National Aeronautics and Space Administration
              192.124.252.0/22     AS680   DFN-IP service G-WiN
              192.133.6.0/24       AS4004  GLOBALONE-EQUANT-UK Equant UK  & Greece Autonomous System
              192.135.50.0/24      AS7018  ATTW AT&T WorldNet Services
              192.136.71.0/24      AS719   LANLINK Elisa Oyj
              192.136.79.0/24      AS719   LANLINK Elisa Oyj
              192.153.144.0/21     AS721   DNIC DoD Network Information Center
              192.172.0.0/19       AS568   DISOUN DISO-UNRRA
              192.188.208.0/20     AS721   DNIC DoD Network Information Center
              192.243.32.0/23      AS2044  PALINA Palin Aquisitions Inc.
              198.23.26.0/24       AS4390  BELLAT-7 Bell Atlantic, Inc.
              198.97.72.0/21       AS568   DISOUN DISO-UNRRA
              198.97.80.0/20       AS568   DISOUN DISO-UNRRA
              198.97.88.0/24       AS89    NUSC-1 Naval Underwater Systems Center
              198.97.240.0/20      AS568   DISOUN DISO-UNRRA
              198.97.247.0/24      AS3475  DEPART-52 Department of the Navy
              198.101.4.0/22       AS568   DISOUN DISO-UNRRA
              198.136.32.0/20      AS19329 MCBCC Martin County Board of County Commissioners
              198.144.32.0/19      AS3998  CITY CityNet, Inc.
              198.161.87.0/24      AS6539  GTGR GT Group Telecom Services Corp.
              198.161.165.0/24     AS852   AGTA Telus Advanced Communications
              198.163.155.0/24     AS684   MRN Manitoba Regional Network
              198.167.0.0/16       AS7456  INS-51 Interhop Network SERVICES Inc.
              198.167.163.0/24     AS15290 ACCA-2 Allstream Corp. Corporation Allstream
              198.168.0.0/16       AS701   UU UUNET Technologies, Inc.
              198.169.0.0/16       AS803   SASK SaskTel
              198.232.133.0/24     AS23075 SKOTOS Skotos Tech, Inc
              199.10.0.0/16        AS568   DISOUN DISO-UNRRA
              199.60.0.0/20        AS271   UBC-3 University of British Columbia
              199.84.0.0/16        AS701   UU UUNET Technologies, Inc.
              199.114.0.0/18       AS568   DISOUN DISO-UNRRA
              199.114.0.0/21       AS568   DISOUN DISO-UNRRA
              199.114.128.0/18     AS568   DISOUN DISO-UNRRA
              199.114.130.0/24     AS721   DNIC DoD Network Information Center
              199.114.132.0/24     AS721   DNIC DoD Network Information Center
              199.114.136.0/24     AS1913  DLA-8 Defense Logistics Agency
              199.114.138.0/24     AS721   DNIC DoD Network Information Center
              199.114.140.0/24     AS3544  DISAUN DISA/UNRRA
              199.114.142.0/24     AS721   DNIC DoD Network Information Center
              199.114.144.0/24     AS721   DNIC DoD Network Information Center
              199.114.148.0/24     AS721   DNIC DoD Network Information Center
              199.114.150.0/24     AS721   DNIC DoD Network Information Center
              199.114.152.0/24     AS1913  DLA-8 Defense Logistics Agency
              199.114.154.0/24     AS1733  ADP-41 AF DDN PMO
              199.114.156.0/24     AS1913  DLA-8 Defense Logistics Agency
              199.114.160.0/24     AS1733  ADP-41 AF DDN PMO
              199.120.32.0/19      AS16582 NXLI NEXTLEVEL INTERNET, INC.
              199.121.0.0/16       AS568   DISOUN DISO-UNRRA
              199.123.0.0/18       AS568   DISOUN DISO-UNRRA
              199.123.16.0/20      AS568   DISOUN DISO-UNRRA
              199.123.80.0/21      AS568   DISOUN DISO-UNRRA
              199.189.32.0/19      AS7332  IQUEST IQuest Internet
              199.197.8.0/22       AS21814 PARSON-18 Parsons Corp.
              199.202.0.0/16       AS701   UU UUNET Technologies, Inc.
              202.70.0.0/20        AS4658  NETFRONT-AS NETFRONT I.T. LIMITED (HONG KONG)
              202.70.28.0/24       AS4515  ERX-STAR Star Internet Services Ltd.
              202.73.128.0/22      AS4058  LINKAGENET-AP CPCNet Hong Kong Ltd.
              202.74.192.0/19      AS17412 WALKER-NZ-AP Walker Wireless Limited
              202.93.0.0/20        AS4134  CHINANET-BACKBONE No.31,Jin-rong Street
              202.123.96.0/20      AS9288  COMCEN-AS-AP Com-Cen Pty Ltd
              202.133.3.0/24       AS9335  CIP-JAPAN-AS-AP ATT IPlus
              202.141.160.0/24     AS9237  HUTCHCA-AS BTN Access Limited
              202.141.190.0/24     AS10026 ANC Asia Netcom Corporation
              202.141.191.0/24     AS4637  REACH Reach Network Border AS
              202.164.224.0/19     AS7599  IPXC-AS-AP IP Exchange
              203.32.4.0/23        AS7617  
              203.62.0.0/17        AS7572  AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet)
              203.84.145.0/24      AS4637  REACH Reach Network Border AS
              203.84.146.0/24      AS4637  REACH Reach Network Border AS
              203.132.107.0/24     AS10236 FOXGOLD-NET-AU-AP FOXGOLD COMMUNICATIONS
              203.188.16.0/21      AS4755  VSNL-AS Videsh Sanchar Nigam Ltd. Autonomous System
              204.69.144.0/22      AS5668  CIH-12 CenturyTel Internet Holdings, Inc.
              204.154.125.0/24     AS3952  TELLAB-1 TELLABS Operations, Inc.
              204.154.126.0/24     AS3952  TELLAB-1 TELLABS Operations, Inc.
              204.154.127.0/24     AS3952  TELLAB-1 TELLABS Operations, Inc.
              204.194.110.0/23     AS30653 EXOBI Exobit Networks Inc.
              205.150.0.0/15       AS701   UU UUNET Technologies, Inc.
              205.159.72.0/24      AS1660  ANSCOM-5 ANS Communications
              206.81.187.0/24      AS19194 SNL-8 Sentris Network LLC
              206.167.57.0/24      AS376   RISQR-3 Reseau Interordinateurs Scientique Quebecois (RISQ)
              206.191.64.0/18      AS15290 ACCA-2 Allstream Corp. Corporation Allstream
              206.251.69.0/24      AS27429 TIL-33 Telesat International Ltd.
              206.253.190.0/23     AS8123  POLYBA Polybase
              207.231.96.0/19      AS11194 NUNETI NuNet Inc
              208.81.187.0/24      AS19194 SNL-8 Sentris Network LLC
              209.169.219.0/24     AS189   GNTY Genuity
              209.169.223.0/24     AS189   GNTY Genuity
              209.172.0.0/18       AS7770  TRTI Triton Technologies, Inc.
              209.205.69.0/24      AS21578 Universidad autonoma de Bucaramanga
              209.205.70.0/24      AS21578 Universidad autonoma de Bucaramanga
              209.205.81.0/24      AS15066 SkyNet de Colombia S.A.
              209.205.82.0/24      AS15066 SkyNet de Colombia S.A.
              209.205.84.0/24      AS15066 SkyNet de Colombia S.A.
              209.213.32.0/19      AS10629 INS-52 Inter-Pacific Network Services
              209.213.50.0/24      AS10629 INS-52 Inter-Pacific Network Services
              209.213.51.0/24      AS10629 INS-52 Inter-Pacific Network Services
              209.213.55.0/24      AS10629 INS-52 Inter-Pacific Network Services
              209.213.56.0/24      AS10629 INS-52 Inter-Pacific Network Services
              209.222.137.0/24     AS27429 TIL-33 Telesat International Ltd.
              209.251.0.0/19       AS11036 SISCOM-1 SISCOM, Inc
              216.96.128.0/18      AS7018  ATTW AT&T WorldNet Services
              216.145.130.0/24     AS11937 TRXI TRX Inc.
              216.145.132.0/24     AS11937 TRXI TRX Inc.
              216.145.133.0/24     AS11937 TRXI TRX Inc.
              216.145.134.0/24     AS11937 TRXI TRX Inc.
              216.145.135.0/24     AS11937 TRXI TRX Inc.
              216.145.152.0/24     AS10758 INWAVE INWave Internet, Inc
              216.145.156.0/24     AS20304 JIS-32 JVLNET Internet Services
              216.145.158.0/24     AS20304 JIS-32 JVLNET Internet Services
              216.145.176.0/21     AS20304 JIS-32 JVLNET Internet Services
              216.145.177.0/24     AS20304 JIS-32 JVLNET Internet Services
              216.145.178.0/24     AS20304 JIS-32 JVLNET Internet Services
              216.145.184.0/21     AS10758 INWAVE INWave Internet, Inc
              216.145.200.0/21     AS20304 JIS-32 JVLNET Internet Services
              216.186.151.0/24     AS3356  LEVEL3 Level 3 Communications
              216.186.152.0/21     AS3356  LEVEL3 Level 3 Communications
              216.186.160.0/23     AS3356  LEVEL3 Level 3 Communications
              216.186.164.0/22     AS3356  LEVEL3 Level 3 Communications
              216.186.192.0/22     AS3356  LEVEL3 Level 3 Communications
              216.186.198.0/23     AS3356  LEVEL3 Level 3 Communications
              216.186.248.0/23     AS3356  LEVEL3 Level 3 Communications
      
      
      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 apops dot net
        routing-wg at ripe dot net
        afnog at afnog dot org
        swinog at swinog dot ch