The Cidr Report

This report has been generated at Fri Oct 28 21:12:31 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
        21-10-11 384022 223846
        22-10-11 382807 223804
        23-10-11 382848 223957
        24-10-11 382901 223498
        25-10-11 384225 224349
        26-10-11 383269 224291
        27-10-11 383062 223840
        28-10-11 381389 223711

AS Summary
         39291 Number of ASes in routing system
         16594 Number of ASes announcing only one prefix
          3545 Largest number of prefixes announced by an AS
                AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
      108506112 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').

--- 28Oct11 ---
ASnum NetsNow NetsAggr NetGain % Gain Description

Table 381634 223945 157689 41.3% All ASes

AS6389 3545 223 3322 93.7% BELLSOUTH-NET-BLK -
                                               BellSouth.net Inc.
AS18566 2097 405 1692 80.7% COVAD - Covad Communications
                                               Co.
AS4766 2507 986 1521 60.7% KIXS-AS-KR Korea Telecom
AS22773 1458 110 1348 92.5% ASN-CXA-ALL-CCI-22773-RDC -
                                               Cox Communications Inc.
AS4755 1536 228 1308 85.2% TATACOMM-AS TATA
                                               Communications formerly VSNL
                                               is Leading ISP
AS4323 1624 390 1234 76.0% TWTC - tw telecom holdings,
                                               inc.
AS28573 1473 385 1088 73.9% NET Servicos de Comunicao S.A.
AS1785 1844 785 1059 57.4% AS-PAETEC-NET - PaeTec
                                               Communications, Inc.
AS10620 1699 697 1002 59.0% Telmex Colombia S.A.
AS19262 1395 400 995 71.3% VZGNI-TRANSIT - Verizon Online
                                               LLC
AS7552 1393 431 962 69.1% VIETEL-AS-AP Vietel
                                               Corporation
AS7303 1231 330 901 73.2% Telecom Argentina S.A.
AS8402 1456 640 816 56.0% CORBINA-AS OJSC "Vimpelcom"
AS18101 954 151 803 84.2% RELIANCE-COMMUNICATIONS-IN
                                               Reliance Communications
                                               Ltd.DAKC MUMBAI
AS7029 2372 1586 786 33.1% WINDSTREAM - Windstream
                                               Communications Inc
AS4808 1090 344 746 68.4% CHINA169-BJ CNCGROUP IP
                                               network China169 Beijing
                                               Province Network
AS8151 1420 679 741 52.2% Uninet S.A. de C.V.
AS30036 1393 676 717 51.5% MEDIACOM-ENTERPRISE-BUSINESS -
                                               Mediacom Communications Corp
AS7545 1610 944 666 41.4% TPG-INTERNET-AP TPG Internet
                                               Pty Ltd
AS3356 1104 452 652 59.1% LEVEL3 Level 3 Communications
AS17974 1867 1229 638 34.2% TELKOMNET-AS2-AP PT
                                               Telekomunikasi Indonesia
AS3549 1055 442 613 58.1% GBLX Global Crossing Ltd.
AS24560 964 354 610 63.3% AIRTELBROADBAND-AS-AP Bharti
                                               Airtel Ltd., Telemedia
                                               Services
AS17676 678 70 608 89.7% GIGAINFRA Softbank BB Corp.
AS4804 702 95 607 86.5% MPX-AS Microplex PTY LTD
AS20115 1595 991 604 37.9% CHARTER-NET-HKY-NC - Charter
                                               Communications
AS22561 934 371 563 60.3% DIGITAL-TELEPORT - Digital
                                               Teleport Inc.
AS22047 580 33 547 94.3% VTR BANDA ANCHA S.A.
AS7011 1168 645 523 44.8% FRONTIER-AND-CITIZENS -
                                               Frontier Communications of
                                               America, Inc.
AS17488 889 382 507 57.0% HATHWAY-NET-AP Hathway IP Over
                                               Cable Internet

Total 43633 15454 28179 64.6% Top 30 total

Possible Bogus Routes

        5.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE Network Coordination Center
        5.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE Network Coordination Center
        5.1.24.0/24 AS12654 RIPE-NCC-RIS-AS RIPE Network Coordination Center
        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-
        41.79.132.0/22 AS30969 ZOL-AS Zimbabwe OnLine (Private) Ltd.
        41.79.132.0/23 AS30969 ZOL-AS Zimbabwe OnLine (Private) Ltd.
        41.79.134.0/23 AS30969 ZOL-AS Zimbabwe OnLine (Private) Ltd.
        41.222.79.0/24 AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited
        41.223.92.0/22 AS36936 CELTEL-GABON Celtel Gabon Internet Service
        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.
        80.88.10.0/24 AS33774 DJAWEB
        91.232.55.0/24 AS52223 UNITED-STUDIONET United Studios SRL
        91.232.56.0/23 AS52223 UNITED-STUDIONET United Studios SRL
        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.
        172.45.1.0/24 AS29571 CITelecom-AS
        172.45.2.0/24 AS29571 CITelecom-AS
        172.45.3.0/24 AS29571 CITelecom-AS
        172.102.0.0/22 AS4812 CHINANET-SH-AP China Telecom (Group)
        185.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE Network Coordination Center
        185.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE Network Coordination Center
        185.24.0.0/24 AS12654 RIPE-NCC-RIS-AS RIPE Network Coordination Center
        190.102.32.0/20 AS30058 FDCSERVERS - FDCservers.net
        190.104.32.0/21 AS27882 Telef�nica Celular de Bolivia S.A.
        200.6.93.0/24 AS6400 Compa��a Dominicana de Tel�fonos, C. por A. - CODETEL
        200.6.94.0/24 AS6400 Compa��a Dominicana de Tel�fonos, C. por A. - CODETEL
        200.6.95.0/24 AS6400 Compa��a Dominicana de Tel�fonos, C. por A. - CODETEL
        200.23.84.0/24 AS8151 Uninet S.A. de C.V.
        200.24.73.0/24 AS26061 Equant Colombia
        200.24.78.0/26 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 Tecnol�gico 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
        202.8.106.0/24 AS9530 SHINSEGAE-AS SHINSEGAE I&C Co., Ltd.
        202.9.55.0/24 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 France Telecom S.A.
        205.207.148.0/23 AS812 ROGERS-CABLE - Rogers Cable Communications 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
        216.194.160.0/20 AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport

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