The Cidr Report
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To: cidr-report@localhost
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From: cidr-report@localhost
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Date: Fri, 5 Aug 2011 22:00:00 GMT
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Cc: nanog@localhost, eof-list@localhost, apops@localhost, routing-wg@localhost, afnog@localhost
This report has been generated at Fri Aug 5 21:12:16 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
29-07-11 368779 217283
30-07-11 368982 217262
31-07-11 368911 216969
01-08-11 368488 217255
02-08-11 368988 217372
03-08-11 369110 217985
04-08-11 369304 217608
05-08-11 369556 217469
AS Summary
38507 Number of ASes in routing system
16232 Number of ASes announcing only one prefix
3584 Largest number of prefixes announced by an AS
AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
109748448 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').
--- 05Aug11 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 369593 217561 152032 41.1% All ASes
AS6389 3584 235 3349 93.4% BELLSOUTH-NET-BLK -
BellSouth.net Inc.
AS4766 2491 966 1525 61.2% KIXS-AS-KR Korea Telecom
AS18566 1913 496 1417 74.1% COVAD - Covad Communications
Co.
AS4755 1518 190 1328 87.5% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP
AS22773 1405 99 1306 93.0% ASN-CXA-ALL-CCI-22773-RDC -
Cox Communications Inc.
AS4323 1617 402 1215 75.1% TWTC - tw telecom holdings,
inc.
AS1785 1818 768 1050 57.8% AS-PAETEC-NET - PaeTec
Communications, Inc.
AS19262 1413 392 1021 72.3% VZGNI-TRANSIT - Verizon Online
LLC
AS10620 1565 624 941 60.1% Telmex Colombia S.A.
AS28573 1278 389 889 69.6% NET Servicos de Comunicao S.A.
AS24560 1196 319 877 73.3% AIRTELBROADBAND-AS-AP Bharti
Airtel Ltd., Telemedia
Services
AS7552 999 148 851 85.2% VIETEL-AS-AP Vietel
Corporation
AS7545 1560 713 847 54.3% TPG-INTERNET-AP TPG Internet
Pty Ltd
AS18101 934 146 788 84.4% RELIANCE-COMMUNICATIONS-IN
Reliance Communications
Ltd.DAKC MUMBAI
AS7303 1067 317 750 70.3% Telecom Argentina S.A.
AS8151 1434 686 748 52.2% Uninet S.A. de C.V.
AS4808 1059 335 724 68.4% CHINA169-BJ CNCGROUP IP
network China169 Beijing
Province Network
AS3356 1117 458 659 59.0% LEVEL3 Level 3 Communications
AS17488 980 348 632 64.5% HATHWAY-NET-AP Hathway IP Over
Cable Internet
AS14420 703 88 615 87.5% CORPORACION NACIONAL DE
TELECOMUNICACIONES - CNT EP
AS20115 1591 981 610 38.3% CHARTER-NET-HKY-NC - Charter
Communications
AS22561 966 365 601 62.2% DIGITAL-TELEPORT - Digital
Teleport Inc.
AS17676 668 71 597 89.4% GIGAINFRA Softbank BB Corp.
AS3549 997 426 571 57.3% GBLX Global Crossing Ltd.
AS4804 642 86 556 86.6% MPX-AS Microplex PTY LTD
AS4780 775 229 546 70.5% SEEDNET Digital United Inc.
AS22047 578 32 546 94.5% VTR BANDA ANCHA S.A.
AS17974 1784 1240 544 30.5% TELKOMNET-AS2-AP PT
Telekomunikasi Indonesia
AS7011 1160 624 536 46.2% FRONTIER-AND-CITIZENS -
Frontier Communications of
America, Inc.
AS9443 570 78 492 86.3% INTERNETPRIMUS-AS-AP Primus
Telecommunications
Total 39382 12251 27131 68.9% 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-
31.192.96.0/21 AS44611 TALKINTERNET Talk Internet
31.209.136.0/21 AS51896 HRINGDU-AS Hringdu ehf
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.
76.77.32.0/19 AS2828 XO-AS15 - XO Communications
80.88.10.0/24 AS33774 DJAWEB
80.88.12.0/24 AS33779 wataniya-telecom-as
89.17.128.0/19 AS51896 HRINGDU-AS Hringdu ehf
93.180.88.0/21 AS42410 PTP-AS Point To Point Ltd. AS
103.22.96.0/22 AS55641 PENCENT Shenzhen Pencent Communication
Technology Co.,ltd.
110.34.44.0/22 AS12653 COMTONET KB Impuls Hellas
115.42.47.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd
116.193.152.0/24 AS55536 MIHK-HK Pacswitch Globe Telecom
116.193.153.0/24 AS55536 MIHK-HK Pacswitch Globe Telecom
116.193.154.0/24 AS55536 MIHK-HK Pacswitch Globe Telecom
116.193.155.0/24 AS55536 MIHK-HK Pacswitch Globe Telecom
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.
191.0.0.0/8 AS237 MERIT-AS-14 - Merit Network Inc.
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
202.63.80.0/24 AS9557 PKTELECOM-AS-PK Paknet Limited Merged into
PTCL
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
202.133.73.0/24 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
203.18.156.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd
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.
207.174.188.0/24 AS26116 INDRA - Indra's Net Inc.
207.174.189.0/24 AS26116 INDRA - Indra's Net Inc.
207.174.190.0/24 AS26116 INDRA - Indra's Net Inc.
207.174.191.0/24 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
210.5.128.0/20 AS4837 CHINA169-BACKBONE CNCGROUP China169
Backbone
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
216.58.192.0/24 AS22702 X5SOLUTIONS - X5 Solutions, Inc.
216.58.197.0/24 AS22702 X5SOLUTIONS - X5 Solutions, Inc.
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
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