The Cidr Report

11 Jun 2004

      This report has been generated at Fri Jun 11 21:43:32 2004 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
        04-06-04    137884       95186
        05-06-04    136784       95165
        06-06-04    136790       95427
        07-06-04    137242       95750
        08-06-04    137787       95839
        09-06-04    137594       95788
        10-06-04    137680       95901
        11-06-04    137772       95814

AS Summary
         17314  Number of ASes in routing system
          7019  Number of ASes announcing only one prefix
          1414  Largest number of prefixes announced by an AS
                AS7018 : ATTW AT&T WorldNet Services
      64935424  Largest address span announced by an AS (/32s)
                AS568  : DISOUN 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').

 --- 11Jun04 ---
ASnum    NetsNow NetsAggr  NetGain   % Gain   Description

Table     137806    95798    42008    30.5%   All ASes

AS6347       940      160      780    83.0%   SAVV SAVVIS Communications
                                               Corporation
AS4134       738      158      580    78.6%   CHINANET-BACKBONE
                                               No.31,Jin-rong Street
AS18566      710      169      541    76.2%   CVAD Covad Communications
AS4323       736      205      531    72.1%   TWTC Time Warner Telecom
AS7018      1414      979      435    30.8%   ATTW AT&T WorldNet Services
AS6197       702      321      381    54.3%   BNS-14 BellSouth Network
                                               Solutions, Inc
AS7843       506      128      378    74.7%   ADELPH-13 Adelphia Corp.
AS701       1288      922      366    28.4%   UU UUNET Technologies, Inc.
AS22909      390       33      357    91.5%   CMCS Comcast Cable
                                               Communications, Inc.
AS27364      376       38      338    89.9%   ARMC Armstrong Cable Services
AS6198       568      233      335    59.0%   BNS-14 BellSouth Network
                                               Solutions, Inc
AS22773      385       61      324    84.2%   CXAB Cox Communications Inc.
                                               Atlanta
AS1239       944      639      305    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
AS9929       316       33      283    89.6%   CNCNET-CN China Netcom Corp.
AS4355       381       99      282    74.0%   ERSD EARTHLINK, INC
AS6478       305       48      257    84.3%   ATTW AT&T WorldNet Services
AS6140       390      157      233    59.7%   IMPSA ImpSat
AS209        739      507      232    31.4%   QWEST-4 Qwest
AS1221       849      617      232    27.3%   ASN-TELSTRA Telstra Pty Ltd
AS14654      233        5      228    97.9%   WAYPOR-3 Wayport
AS25844      243       16      227    93.4%   SASMFL-2 Skadden, Arps, Slate,
                                               Meagher & Flom LLP
AS9583       453      228      225    49.7%   SATYAMNET-AS Satyam Infoway
                                               Ltd.,
AS3356       890      675      215    24.2%   LEVEL3 Level 3 Communications
AS4766       476      264      212    44.5%   KIX Korea Internet Exchange
                                               for "96 World Internet
                                               Exposition
AS9443       357      155      202    56.6%   INTERNETPRIMUS-AS-AP Primus
                                               Telecommunications
AS2386       431      234      197    45.7%   ADCS-1 AT&T Data
                                               Communications Services
AS5668       383      192      191    49.9%   CIH-12 CenturyTel Internet
                                               Holdings, Inc.
AS6327       208       28      180    86.5%   SHAWC-2 Shaw Communications
                                               Inc.

Total      17044     7410     9634    56.5%   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        AS17307 VIRTEL-15 Virtela Communications
        132.0.0.0/10         AS568   DISOUN DISO-UNRRA
        137.0.0.0/13         AS568   DISOUN DISO-UNRRA
        138.136.0.0/13       AS568   DISOUN DISO-UNRRA
        158.0.0.0/13         AS568   DISOUN DISO-UNRRA
        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       AS721   DNIC DoD Network Information Center
        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.
        202.47.1.0/24        AS7491  PI-PH-AS-AP PI-PHILIPINES
        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.
        202.86.142.0/24      AS30362 HAWAI-1 Hawaii-Pacific Teleport
        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)
        203.132.107.0/24     AS10236 FOXGOLD-NET-AU-AP FOXGOLD COMMUNICATIONS
        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
        206.41.32.0/19       AS14824 NCC-105 NewSouth Communications Corp.
        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
        216.18.224.0/21      AS11458 IMBRIS-1 IMBRIS, INC.
        216.18.224.0/22      AS11458 IMBRIS-1 IMBRIS, INC.
        216.18.228.0/22      AS11458 IMBRIS-1 IMBRIS, 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
        222.196.0.0/15       AS4538  ERX-CERNET-BKB China Education and Research Network Center
        222.198.0.0/16       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@merit.edu
  eof-list@ripe.net
  apops@apops.net
  routing-wg@ripe.net
  afnog@afnog.org
  swinog@swinog.ch

The Cidr Report

cidr-report＠potaroo.net