The Cidr Report
cidr-report at potaroo.net
cidr-report at potaroo.net
Fri Jan 27 22:00:00 UTC 2012
This report has been generated at Fri Jan 27 21:12:43 2012 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
20-01-12 394336 229812
21-01-12 395205 229827
22-01-12 395134 229934
23-01-12 395186 230016
24-01-12 395528 230193
25-01-12 395659 229919
26-01-12 396003 230021
27-01-12 396272 230119
AS Summary
40048 Number of ASes in routing system
16796 Number of ASes announcing only one prefix
3446 Largest number of prefixes announced by an AS
AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
109817344 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').
--- 27Jan12 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 396296 230149 166147 41.9% All ASes
AS6389 3446 204 3242 94.1% BELLSOUTH-NET-BLK -
BellSouth.net Inc.
AS7029 3268 1541 1727 52.8% WINDSTREAM - Windstream
Communications Inc
AS18566 2093 413 1680 80.3% COVAD - Covad Communications
Co.
AS4766 2476 1002 1474 59.5% KIXS-AS-KR Korea Telecom
AS22773 1521 118 1403 92.2% ASN-CXA-ALL-CCI-22773-RDC -
Cox Communications Inc.
AS4755 1526 197 1329 87.1% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP
AS28573 1637 409 1228 75.0% NET Servicos de Comunicao S.A.
AS4323 1609 386 1223 76.0% TWTC - tw telecom holdings,
inc.
AS2118 1241 89 1152 92.8% RELCOM-AS OOO "NPO Relcom"
AS1785 1867 787 1080 57.8% AS-PAETEC-NET - PaeTec
Communications, Inc.
AS7552 1424 390 1034 72.6% VIETEL-AS-AP Vietel
Corporation
AS10620 1723 710 1013 58.8% Telmex Colombia S.A.
AS8402 1688 759 929 55.0% CORBINA-AS OJSC "Vimpelcom"
AS7303 1256 365 891 70.9% Telecom Argentina S.A.
AS8151 1464 672 792 54.1% Uninet S.A. de C.V.
AS18101 946 155 791 83.6% RELIANCE-COMMUNICATIONS-IN
Reliance Communications
Ltd.DAKC MUMBAI
AS4808 1099 343 756 68.8% CHINA169-BJ CNCGROUP IP
network China169 Beijing
Province Network
AS24560 1015 290 725 71.4% AIRTELBROADBAND-AS-AP Bharti
Airtel Ltd., Telemedia
Services
AS30036 1453 737 716 49.3% MEDIACOM-ENTERPRISE-BUSINESS -
Mediacom Communications Corp
AS9498 875 204 671 76.7% BBIL-AP BHARTI Airtel Ltd.
AS9394 878 210 668 76.1% CRNET CHINA RAILWAY
Internet(CRNET)
AS3356 1104 460 644 58.3% LEVEL3 Level 3 Communications
AS7545 1641 997 644 39.2% TPG-INTERNET-AP TPG Internet
Pty Ltd
AS17676 687 74 613 89.2% GIGAINFRA Softbank BB Corp.
AS19262 994 403 591 59.5% VZGNI-TRANSIT - Verizon Online
LLC
AS15557 1095 511 584 53.3% LDCOMNET Societe Francaise du
Radiotelephone S.A
AS17974 1714 1131 583 34.0% TELKOMNET-AS2-AP PT
Telekomunikasi Indonesia
AS11172 689 110 579 84.0% Alestra, S. de R.L. de C.V.
AS4804 659 95 564 85.6% MPX-AS Microplex PTY LTD
AS4780 788 230 558 70.8% SEEDNET Digital United Inc.
Total 43876 13992 29884 68.1% 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-
14.192.0.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.4.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.8.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.12.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.16.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.20.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.24.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.28.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
37.72.144.0/21 AS51827 FREMAKS Fremaks GmbH
41.222.79.0/24 AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited
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
66.129.0.0/19 AS3901 ARRAKIS - Higher Technology Services
66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION
66.207.32.0/20 AS23011
66.245.176.0/20 AS19318 NJIIX-AS-1 - NEW JERSEY INTERNATIONAL INTERNET EXCHANGE LLC
66.251.128.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.133.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.134.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.136.0/21 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.140.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.141.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.142.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.143.0/24 AS3356 LEVEL3 Level 3 Communications
69.46.224.0/20 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
69.46.233.0/24 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
69.46.236.0/24 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
71.19.134.0/23 AS3313 INET-AS BT Italia S.p.A.
72.44.16.0/20 AS15054 HAMELTRONICS - Hameltronics, LLC
80.88.10.0/24 AS33774 DJAWEB
91.234.190.0/23 AS39377 INTERCOM Samostalna Zanatska i Trgovinska Radnja Intercom Computers
91.234.194.0/23 AS16347 RMI-FITECH RMI SAS
98.159.96.0/20 AS46975
110.34.44.0/22 AS12653 COMTONET Com-ToNet
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 AS3356 LEVEL3 Level 3 Communications
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)
190.104.32.0/21 AS27882 Telefónica Celular de Bolivia S.A.
193.0.22.0/23 AS3333 RIPE-NCC-AS RIPE Network Coordination Centre
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
200.33.40.0/24 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
202.8.106.0/24 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
202.61.108.0/24 AS55812
202.61.118.0/24 AS55833
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
202.179.134.0/24 AS23966 LDN-AS-PK LINKdotNET Telecom 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
203.80.130.0/23 AS9260 MULTINET-PK NSP,ISP,HFC,DSL,DIALUP,Data Network Connectivity solutions,
203.142.219.0/24 AS45149
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.
206.123.129.0/24 AS10790 INREACH-AS - InReach Internet
206.180.240.0/20 AS12083 KNOLOGY-NET - KNOLOGY, Inc.
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.
208.83.53.0/24 AS40569 YGOMI-AS - Ygomi LLC
208.91.56.0/21 AS22241 IC2NET - IC2NET
208.91.56.0/24 AS22241 IC2NET - IC2NET
208.91.57.0/24 AS22241 IC2NET - IC2NET
208.91.58.0/24 AS22241 IC2NET - IC2NET
208.91.59.0/24 AS22241 IC2NET - IC2NET
208.91.60.0/24 AS22241 IC2NET - IC2NET
208.91.61.0/24 AS22241 IC2NET - IC2NET
208.91.62.0/24 AS22241 IC2NET - IC2NET
208.91.63.0/24 AS22241 IC2NET - IC2NET
209.133.224.0/19 AS4323 TWTC - tw telecom holdings, inc.
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
209.222.240.0/22 AS19747
210.56.150.0/23 AS38138 INTECH-TRANSIT-BD InTech Online Limited, INTERNET SERVICE LIMITED
216.12.160.0/20 AS26627 AS-PILOSOFT - Pilosoft, Inc.
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
------------------------------------
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