This archive is retained to ensure existing URLs remain functional. It will not contain any emails sent to this mailing list after July 1, 2024. For all messages, including those sent before and after this date, please visit the new location of the archive at https://mailman.ripe.net/archives/list/routing-wg@ripe.net/
[routing-wg] The Cidr Report

Previous message (by thread): [routing-wg] The Cidr Report
Next message (by thread): [routing-wg] The Cidr Report
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
cidr-report at potaroo.net cidr-report at potaroo.net
Sat Sep 10 00:00:00 CEST 2011
This report has been generated at Fri Sep  9 21:12:28 2011 AEST.
The report analyses the BGP Routing Table of AS2.0 router
and generates a report on aggregation potential within the table.

Check http://www.cidr-report.org for a current version of this report.

Recent Table History
        Date      Prefixes    CIDR Agg
        02-09-11    373096      219901
        03-09-11    373636      219796
        04-09-11    373666      219877
        05-09-11    373566      219844
        06-09-11    373748      219894
        07-09-11    373965      219992
        08-09-11    373797      219481
        09-09-11    373405      220098


AS Summary
         38831  Number of ASes in routing system
         16392  Number of ASes announcing only one prefix
          3564  Largest number of prefixes announced by an AS
                AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
      108360672  Largest address span announced by an AS (/32s)
                AS4134 : CHINANET-BACKBONE No.31,Jin-rong Street


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').

 --- 09Sep11 ---
ASnum    NetsNow NetsAggr  NetGain   % Gain   Description

Table     374093   219958   154135    41.2%   All ASes

AS6389      3564      229     3335    93.6%   BELLSOUTH-NET-BLK -
                                               BellSouth.net Inc.
AS4766      2508      974     1534    61.2%   KIXS-AS-KR Korea Telecom
AS18566     1912      378     1534    80.2%   COVAD - Covad Communications
                                               Co.
AS22773     1451      108     1343    92.6%   ASN-CXA-ALL-CCI-22773-RDC -
                                               Cox Communications Inc.
AS4755      1547      228     1319    85.3%   TATACOMM-AS TATA
                                               Communications formerly VSNL
                                               is Leading ISP
AS4323      1627      397     1230    75.6%   TWTC - tw telecom holdings,
                                               inc.
AS10620     1661      591     1070    64.4%   Telmex Colombia S.A.
AS1785      1825      778     1047    57.4%   AS-PAETEC-NET - PaeTec
                                               Communications, Inc.
AS19262     1394      400      994    71.3%   VZGNI-TRANSIT - Verizon Online
                                               LLC
AS7552      1415      431      984    69.5%   VIETEL-AS-AP Vietel
                                               Corporation
AS28573     1302      344      958    73.6%   NET Servicos de Comunicao S.A.
AS18101      950      144      806    84.8%   RELIANCE-COMMUNICATIONS-IN
                                               Reliance Communications
                                               Ltd.DAKC MUMBAI
AS24560     1177      386      791    67.2%   AIRTELBROADBAND-AS-AP Bharti
                                               Airtel Ltd., Telemedia
                                               Services
AS8151      1411      659      752    53.3%   Uninet S.A. de C.V.
AS4808      1077      339      738    68.5%   CHINA169-BJ CNCGROUP IP
                                               network China169 Beijing
                                               Province Network
AS7303      1051      316      735    69.9%   Telecom Argentina S.A.
AS7545      1581      860      721    45.6%   TPG-INTERNET-AP TPG Internet
                                               Pty Ltd
AS3356      1103      449      654    59.3%   LEVEL3 Level 3 Communications
AS30036     1327      692      635    47.9%   MEDIACOM-ENTERPRISE-BUSINESS -
                                               Mediacom Communications Corp
AS3549      1080      449      631    58.4%   GBLX Global Crossing Ltd.
AS14420      715       92      623    87.1%   CORPORACION NACIONAL DE
                                               TELECOMUNICACIONES - CNT EP
AS20115     1591      971      620    39.0%   CHARTER-NET-HKY-NC - Charter
                                               Communications
AS22561      973      365      608    62.5%   DIGITAL-TELEPORT - Digital
                                               Teleport Inc.
AS17676      675       70      605    89.6%   GIGAINFRA Softbank BB Corp.
AS17974     1985     1400      585    29.5%   TELKOMNET-AS2-AP PT
                                               Telekomunikasi Indonesia
AS4804       660       87      573    86.8%   MPX-AS Microplex PTY LTD
AS22047      579       31      548    94.6%   VTR BANDA ANCHA S.A.
AS4780       759      230      529    69.7%   SEEDNET Digital United Inc.
AS7011      1183      656      527    44.5%   FRONTIER-AND-CITIZENS -
                                               Frontier Communications of
                                               America, Inc.
AS15475      512        8      504    98.4%   NOL

Total      40595    13062    27533    67.8%   Top 30 total


Possible Bogus Routes

        10.86.64.32/30       AS65530 -Private Use AS-
        10.86.64.36/30       AS65530 -Private Use AS-
        10.86.65.32/30       AS65530 -Private Use AS-
        10.86.65.36/30       AS65530 -Private Use AS-
        10.255.255.0/30      AS65530 -Private Use AS-
        10.255.255.4/30      AS65530 -Private Use AS-
        10.255.255.8/30      AS65530 -Private Use AS-
        41.222.79.0/24       AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited
        41.223.92.0/22       AS36936 CELTEL-GABON Celtel Gabon Internet Service
        46.18.104.0/21       AS3.746 
        62.61.220.0/24       AS24974 TACHYON-EU Tachyon Europe BV
        62.61.221.0/24       AS24974 TACHYON-EU Tachyon Europe BV
        64.21.192.0/20       AS11610 INETNEBR-1 - Internet Nebraska Corporation
        64.21.212.0/22       AS11610 INETNEBR-1 - Internet Nebraska Corporation
        64.21.216.0/21       AS11610 INETNEBR-1 - Internet Nebraska Corporation
        66.171.32.0/20       AS705   UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
        66.180.239.0/24      AS35888 VIGNETTE - VIGNETTE CORPORATION
        66.206.47.0/24       AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
        66.207.32.0/20       AS23011 
        66.245.176.0/20      AS19318 NJIIX-AS-1 - NEW JERSEY INTERNATIONAL INTERNET EXCHANGE LLC
        69.6.80.0/24         AS13442 
        71.19.134.0/23       AS3313  INET-AS BT Italia S.p.A.
        76.77.32.0/19        AS2828  XO-AS15 - XO Communications
        80.88.10.0/24        AS33774 DJAWEB
        100.100.100.0/24     AS3549  GBLX Global Crossing Ltd.
        110.34.44.0/22       AS12653 COMTONET KB Impuls Hellas
        116.206.72.0/24      AS6461  MFNX MFN - Metromedia Fiber Network
        116.206.85.0/24      AS6461  MFNX MFN - Metromedia Fiber Network
        116.206.103.0/24     AS6461  MFNX MFN - Metromedia Fiber Network
        117.120.56.0/21      AS4755  TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
        121.46.0.0/16        AS4134  CHINANET-BACKBONE No.31,Jin-rong Street
        142.54.0.0/19        AS23498 CDSI - Cogeco Data Services Inc.
        172.102.0.0/22       AS4812  CHINANET-SH-AP China Telecom (Group)
        181.82.15.0/24       AS23982 SENDB-AS-KR Dongbu District Office of Education in Seoul
        181.82.16.0/24       AS23982 SENDB-AS-KR Dongbu District Office of Education in Seoul
        181.82.17.0/24       AS38418 SENSD-AS-KR seoul seondong district office of education
        181.82.18.0/24       AS38418 SENSD-AS-KR seoul seondong district office of education
        190.102.32.0/20      AS30058 FDCSERVERS - FDCservers.net
        190.104.32.0/21      AS27882 Telefónica Celular de Bolivia S.A.
        193.111.87.0/24      AS24812 
        200.6.93.0/24        AS6400  Compañía Dominicana de Teléfonos, C. por A. - CODETEL
        200.6.94.0/24        AS6400  Compañía Dominicana de Teléfonos, C. por A. - CODETEL
        200.6.95.0/24        AS6400  Compañía Dominicana de Teléfonos, C. por A. - CODETEL
        200.23.84.0/24       AS8151  Uninet S.A. de C.V.
        200.24.73.0/24       AS26061 Equant Colombia
        200.24.76.0/24       AS7195  Telecorp Colombia S.A.
        200.24.78.0/26       AS3549  GBLX Global Crossing Ltd.
        200.24.78.64/26      AS3549  GBLX Global Crossing Ltd.
        200.33.40.0/24       AS11172 Alestra, S. de R.L. de C.V.
        200.34.0.0/20        AS6342  Instituto Tecnológico y de Estudios Superiores de Monterrey
        200.53.0.0/19        AS13878 Diveo do Brasil Telecomunicacoes Ltda
        202.1.224.0/24       AS10097 FLOWCOM Flow Communications 2/541 Kent St Sydney NSW 2000
        202.9.55.0/24        AS2764  AAPT AAPT Limited
        202.9.57.0/24        AS2764  AAPT AAPT Limited
        202.58.113.0/24      AS19161 
        202.61.75.0/24       AS9927  PHILCOMNET-PH A Multihomed ISP Company
        202.74.232.0/24      AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
        202.74.233.0/24      AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
        202.83.120.0/21      AS37972 
        202.83.124.0/24      AS37972 
        202.83.125.0/24      AS37972 
        202.83.126.0/24      AS37972 
        202.94.1.0/24        AS4808  CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
        202.133.70.0/24      AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited
        202.160.152.0/22     AS10113 DATAFAST-AP DATAFAST TELECOMMUNICATIONS LTD
        202.174.125.0/24     AS9498  BBIL-AP BHARTI Airtel Ltd.
        202.176.1.0/24       AS9942  COMINDICO-AP SOUL Converged Communications Australia
        202.179.131.0/24     AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
        202.179.134.0/24     AS23966 LDN-AS-PK LINKdotNET Telecom Limited
        202.179.144.0/24     AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
        203.23.1.0/24        AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.24.38.0/24       AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.30.127.0/24      AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.32.86.0/23       AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.32.86.0/24       AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.32.87.0/24       AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.32.188.0/24      AS1221  ASN-TELSTRA Telstra Pty Ltd
        203.142.219.0/24     AS45149 
        203.175.107.0/24     AS45595 PKTELECOM-AS-PK Pakistan Telecom Company Limited
        205.150.0.0/15       AS701   UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
        205.175.214.0/24     AS5583  ORANGE-BUSINESS-SERVICES-BENELUX Orange Business Services (formerly Equant) AS for BENELUX
        205.207.148.0/23     AS812   ROGERS-CABLE - Rogers Cable Communications Inc.
        206.72.192.0/23      AS16526 BIRCH-TELECOM - Birch Telecom, Inc.
        206.72.194.0/23      AS16526 BIRCH-TELECOM - Birch Telecom, Inc.
        206.123.129.0/24     AS10790 INREACH-AS - InReach Internet
        206.180.240.0/20     AS12083 KNOLOGY-NET - Knology Holdings
        206.197.184.0/24     AS23304 DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company
        207.174.131.0/24     AS26116 INDRA - Indra's Net Inc.
        207.174.132.0/23     AS26116 INDRA - Indra's Net Inc.
        207.174.152.0/23     AS26116 INDRA - Indra's Net Inc.
        207.174.154.0/24     AS26116 INDRA - Indra's Net Inc.
        207.174.155.0/24     AS26116 INDRA - Indra's Net Inc.
        207.174.200.0/24     AS22658 EARTHNET - Earthnet, Inc.
        207.174.248.0/21     AS6653  PRIVATEI - privateI, LLC
        207.231.96.0/19      AS11194 NUNETPA - NuNet Inc.
        208.64.240.0/21      AS13871 TELEBYTE-NW - Telebyte NW
        208.83.53.0/24       AS40569 YGOMI-AS - Ygomi LLC
        209.148.64.0/19      AS13773 TELNETCOMM - Telnet Communications
        209.177.64.0/20      AS6461  MFNX MFN - Metromedia Fiber Network
        209.213.0.0/20       AS33005 ELTOPIA - Eltopia.com, LLC
        210.56.150.0/23      AS38138 INTECH-TRANSIT-BD InTech Online Limited, INTERNET SERVICE LIMITED
        216.21.160.0/20      AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport
        216.58.200.0/24      AS18530 ISOMEDIA-1 - Isomedia Inc.
        216.194.160.0/20     AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport


Please see http://www.cidr-report.org for the full report

------------------------------------
Copies of this report are mailed to:
  nanog at nanog.org
  eof-list at ripe.net
  apops at apops.net
  routing-wg at ripe.net
  afnog at afnog.org
Previous message (by thread): [routing-wg] The Cidr Report
Next message (by thread): [routing-wg] The Cidr Report
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
[ routing-wg Archives ]