The Cidr Report
cidr-report at potaroo.net
cidr-report at potaroo.net
Fri Jan 13 22:00:00 UTC 2012
This report has been generated at Fri Jan 13 21:12:24 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
06-01-12 391121 227929
07-01-12 390649 228024
08-01-12 391004 228100
09-01-12 390964 228214
10-01-12 391281 228081
11-01-12 391432 228387
12-01-12 391955 228706
13-01-12 392583 228745
AS Summary
39939 Number of ASes in routing system
16759 Number of ASes announcing only one prefix
3454 Largest number of prefixes announced by an AS
AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
109424128 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').
--- 13Jan12 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 392867 228759 164108 41.8% All ASes
AS6389 3454 209 3245 93.9% BELLSOUTH-NET-BLK -
BellSouth.net Inc.
AS7029 3204 1488 1716 53.6% WINDSTREAM - Windstream
Communications Inc
AS18566 2093 413 1680 80.3% COVAD - Covad Communications
Co.
AS4766 2477 994 1483 59.9% KIXS-AS-KR Korea Telecom
AS22773 1517 117 1400 92.3% ASN-CXA-ALL-CCI-22773-RDC -
Cox Communications Inc.
AS4755 1512 196 1316 87.0% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP
AS4323 1605 384 1221 76.1% TWTC - tw telecom holdings,
inc.
AS28573 1579 398 1181 74.8% NET Servicos de Comunicao S.A.
AS1785 1867 783 1084 58.1% AS-PAETEC-NET - PaeTec
Communications, Inc.
AS7552 1425 391 1034 72.6% VIETEL-AS-AP Vietel
Corporation
AS19262 1388 402 986 71.0% VZGNI-TRANSIT - Verizon Online
LLC
AS10620 1738 759 979 56.3% Telmex Colombia S.A.
AS7303 1256 368 888 70.7% Telecom Argentina S.A.
AS8402 1600 741 859 53.7% CORBINA-AS OJSC "Vimpelcom"
AS2118 927 77 850 91.7% RELCOM-AS OOO "NPO Relcom"
AS8151 1464 662 802 54.8% Uninet S.A. de C.V.
AS18101 946 155 791 83.6% RELIANCE-COMMUNICATIONS-IN
Reliance Communications
Ltd.DAKC MUMBAI
AS30036 1489 704 785 52.7% MEDIACOM-ENTERPRISE-BUSINESS -
Mediacom Communications Corp
AS4808 1103 345 758 68.7% CHINA169-BJ CNCGROUP IP
network China169 Beijing
Province Network
AS15557 1096 368 728 66.4% LDCOMNET Societe Francaise du
Radiotelephone S.A
AS24560 1010 290 720 71.3% AIRTELBROADBAND-AS-AP Bharti
Airtel Ltd., Telemedia
Services
AS7545 1597 923 674 42.2% TPG-INTERNET-AP TPG Internet
Pty Ltd
AS3356 1105 459 646 58.5% LEVEL3 Level 3 Communications
AS17676 677 74 603 89.1% GIGAINFRA Softbank BB Corp.
AS17974 1716 1132 584 34.0% TELKOMNET-AS2-AP PT
Telekomunikasi Indonesia
AS4804 661 95 566 85.6% MPX-AS Microplex PTY LTD
AS9498 867 302 565 65.2% BBIL-AP BHARTI Airtel Ltd.
AS4780 785 227 558 71.1% SEEDNET Digital United Inc.
AS20115 1618 1061 557 34.4% CHARTER-NET-HKY-NC - Charter
Communications
AS3549 977 424 553 56.6% GBLX Global Crossing Ltd.
Total 44753 14941 29812 66.6% 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
41.222.79.0/24 AS37345 MEDALLION
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
66.129.0.0/19 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
98.159.96.0/20 AS46975
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.
171.25.183.0/24 AS29649 LIMES-AS LIMES Internet Communication
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
203.142.219.0/24 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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