[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, 16 Jul 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
              09-07-04    138898       95560
              10-07-04    138794       95533
              11-07-04    138905       95646
              12-07-04    138895       95743
              13-07-04    139167       95759
              14-07-04    138743       95724
              15-07-04    138786       95790
              16-07-04    138915       95758
      
      
      AS Summary
               17503  Number of ASes in routing system
                7138  Number of ASes announcing only one prefix
                1399  Largest number of prefixes announced by an AS
                      AS7018 : ATTW AT&T WorldNet Services
            62877184  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').
      
       --- 16Jul04 ---
      ASnum    NetsNow NetsAggr  NetGain   % Gain   Description
      
      Table     138916    95770    43146    31.1%   All ASes
      
      AS6347       965      103      862    89.3%   SAVV SAVVIS Communications
                                                     Corporation
      AS18566      701        8      693    98.9%   CVAD Covad Communications
      AS4134       755      163      592    78.4%   CHINANET-BACKBONE
                                                     No.31,Jin-rong Street
      AS4323       739      209      530    71.7%   TWTC Time Warner Telecom
      AS7018      1399      969      430    30.7%   ATTW AT&T WorldNet Services
      AS7843       515      130      385    74.8%   ADELPH-13 Adelphia Corp.
      AS6197       710      332      378    53.2%   BNS-14 BellSouth Network
                                                     Solutions, Inc
      AS22909      398       30      368    92.5%   CMCS Comcast Cable
                                                     Communications, Inc.
      AS701       1278      918      360    28.2%   UU UUNET Technologies, Inc.
      AS9583       491      141      350    71.3%   SATYAMNET-AS Satyam Infoway
                                                     Ltd.,
      AS27364      377       38      339    89.9%   ARMC Armstrong Cable Services
      AS6467       364       33      331    90.9%   ACSI e.spire Communications,
                                                     Inc.
      AS22773      382       59      323    84.6%   CXAB Cox Communications Inc.
                                                     Atlanta
      AS1239       946      637      309    32.7%   SPRN Sprint
      AS11172      351       55      296    84.3%   Servicios Alestra S.A de C.V
      AS17676      339       50      289    85.3%   JPNIC-JP-ASN-BLOCK Japan
                                                     Network Information Center
      AS9929       320       32      288    90.0%   CNCNET-CN China Netcom Corp.
      AS6198       507      223      284    56.0%   BNS-14 BellSouth Network
                                                     Solutions, Inc
      AS4355       381       99      282    74.0%   ERSD EARTHLINK, INC
      AS6478       328       57      271    82.6%   ATTW AT&T WorldNet Services
      AS14654      240        6      234    97.5%   WAYPOR-3 Wayport
      AS25844      244       15      229    93.9%   SASMFL-2 Skadden, Arps, Slate,
                                                     Meagher & Flom LLP
      AS4766       487      265      222    45.6%   KIXS-AS-KR Korea Telecom
      AS3356       892      673      219    24.6%   LEVEL3 Level 3 Communications
      AS6140       369      166      203    55.0%   IMPSA ImpSat
      AS9443       357      155      202    56.6%   INTERNETPRIMUS-AS-AP Primus
                                                     Telecommunications
      AS6327       231       32      199    86.1%   SHAWC-2 Shaw Communications
                                                     Inc.
      AS17633      203        8      195    96.1%   CHINATELECOM-SD-AS-AP ASN for
                                                     Shandong Provincial Net of CT
      AS5668       381      194      187    49.1%   CIH-12 CenturyTel Internet
                                                     Holdings, Inc.
      AS2386       407      229      178    43.7%   ADCS-1 AT&T Data
                                                     Communications Services
      
      Total      16057     6029    10028    62.5%   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        AS19803 ASNBLK-VTLA2 Virtela Communications
              132.0.0.0/10         AS721   DNIC DoD Network Information Center
              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 - Commercial IP service provider in Europe
              192.80.64.0/19       AS1     LVLT Level 3 Communications, Inc.
              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
              192.138.208.0/20     AS1     LVLT Level 3 Communications, Inc.
              192.153.144.0/21     AS721   DNIC DoD Network Information Center
              192.172.0.0/19       AS721   DNIC DoD Network Information Center
              192.188.208.0/20     AS721   DNIC DoD Network Information Center
              192.190.16.0/21      AS1     LVLT Level 3 Communications, Inc.
              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       AS721   DNIC DoD Network Information Center
              198.97.80.0/20       AS721   DNIC DoD Network Information Center
              198.97.88.0/24       AS89    NUSC-1 Naval Underwater Systems Center
              198.97.240.0/20      AS721   DNIC DoD Network Information Center
              198.97.247.0/24      AS3475  DEPART-52 Department of the Navy
              198.101.4.0/22       AS721   DNIC DoD Network Information Center
              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
              199.114.0.0/18       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.
              202.47.1.0/24        AS7491  PI-PH-AS-AP PI-PHILIPINES
              202.56.160.0/20      AS10199 DISHNET-AS-AP DishnetDSL Limited
              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.
              202.81.96.0/19       AS10113 DATAFAST-AP DATAFAST TELECOMMUNICATIONS LTD
              202.81.109.0/24      AS7657  TIG-US-PAS-AP The Internet Group Limited
              202.81.121.0/24      AS10113 DATAFAST-AP DATAFAST TELECOMMUNICATIONS LTD
              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
              202.136.128.0/20     AS10199 DISHNET-AS-AP DishnetDSL Limited
              202.141.160.0/24     AS9237  HUTCHCA-AS BTN Access Limited
              202.152.96.0/20      AS9371  SAKURA-C SRS-SAKURA Internet Inc.
              202.152.112.0/20     AS9370  SAKURA-B SRS-SAKURA Internet Inc.
              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
              203.210.69.0/24      AS17536 PRODIGY-AS-AP Prodidgy Telecommunications
              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.
              204.196.0.0/14       AS1     LVLT Level 3 Communications, Inc.
              205.150.0.0/15       AS701   UU UUNET Technologies, Inc.
              205.159.72.0/24      AS1660  ANSCOM-5 ANS Communications
              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
              209.59.0.0/20        AS7181  DGS-19 Digital Gateway Systems
              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
              209.251.0.0/19       AS11036 SISCOM-1 SISCOM, Inc
              216.37.110.0/23      AS4264  CERFN California Education and Research Federation Network
              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.
              216.145.156.0/24     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
              222.204.0.0/15       AS4538  ERX-CERNET-BKB China Education and Research Network Center
      
      
      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