This report has been generated at Fri Apr 12 21:13:18 2013 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
05-04-13 451091 259574
06-04-13 451411 259542
07-04-13 451419 259733
08-04-13 451504 259558
09-04-13 451113 259685
10-04-13 451462 259694
11-04-13 451345 259947
12-04-13 452468 259746
AS Summary
43924 Number of ASes in routing system
18224 Number of ASes announcing only one prefix
3037 Largest number of prefixes announced by an AS
AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
116992736 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').
--- 12Apr13 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 452668 259832 192836 42.6% All ASes
AS6389 3037 91 2946 97.0% BELLSOUTH-NET-BLK -
BellSouth.net Inc.
AS4766 2957 939 2018 68.2% KIXS-AS-KR Korea Telecom
AS17974 2510 569 1941 77.3% TELKOMNET-AS2-AP PT
Telekomunikasi Indonesia
AS28573 2602 759 1843 70.8% NET Servi�os de Comunica��o
S.A.
AS22773 2013 174 1839 91.4% ASN-CXA-ALL-CCI-22773-RDC -
Cox Communications Inc.
AS18566 2068 473 1595 77.1% COVAD - Covad Communications
Co.
AS2118 1430 49 1381 96.6% RELCOM-AS OOO "NPO Relcom"
AS7303 1674 448 1226 73.2% Telecom Argentina S.A.
AS4323 1611 401 1210 75.1% TWTC - tw telecom holdings,
inc.
AS10620 2361 1244 1117 47.3% Telmex Colombia S.A.
AS4755 1734 638 1096 63.2% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP
AS14754 1131 107 1024 90.5% Telgua
AS7029 2174 1243 931 42.8% WINDSTREAM - Windstream
Communications Inc
AS7552 1171 241 930 79.4% VIETEL-AS-AP Vietel
Corporation
AS18881 850 20 830 97.6% Global Village Telecom
AS18101 1001 180 821 82.0% RELIANCE-COMMUNICATIONS-IN
Reliance Communications
Ltd.DAKC MUMBAI
AS1785 1974 1209 765 38.8% AS-PAETEC-NET - PaeTec
Communications, Inc.
AS4808 1121 361 760 67.8% CHINA169-BJ CNCGROUP IP
network China169 Beijing
Province Network
AS36998 1137 382 755 66.4% SDN-MOBITEL
AS13977 837 129 708 84.6% CTELCO - FAIRPOINT
COMMUNICATIONS, INC.
AS855 724 50 674 93.1% CANET-ASN-4 - Bell Aliant
Regional Communications, Inc.
AS8151 1237 579 658 53.2% Uninet S.A. de C.V.
AS6983 1133 481 652 57.5% ITCDELTA - ITC^Deltacom
AS22561 1085 453 632 58.2% DIGITAL-TELEPORT - Digital
Teleport Inc.
AS17676 734 108 626 85.3% GIGAINFRA Softbank BB Corp.
AS3549 1050 443 607 57.8% GBLX Global Crossing Ltd.
AS17908 793 198 595 75.0% TCISL Tata Communications
AS3356 1089 495 594 54.5% LEVEL3 Level 3 Communications
AS19262 991 403 588 59.3% VZGNI-TRANSIT - Verizon Online
LLC
AS24560 1066 478 588 55.2% AIRTELBROADBAND-AS-AP Bharti
Airtel Ltd., Telemedia
Services
Total 45295 13345 31950 70.5% 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-
41.222.80.0/21 AS37110 moztel-as
62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV
62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV
64.185.224.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.225.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.226.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.227.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.228.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.229.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.230.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.231.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.232.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.233.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.234.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.235.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.236.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.237.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.238.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.239.0/24 AS27431 JTLNET - JTL Networks Inc.
64.187.208.0/24 AS174 COGENT Cogent/PSI
65.111.1.0/24 AS32258 SDNGLOBAL - SDN Global
66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION
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
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.
72.35.224.0/22 AS30097 NUWAVE - NuWave
72.35.229.0/24 AS30188 TELEVERGENCE - Televergence Solutions Inc.
72.35.232.0/21 AS30097 NUWAVE - NuWave
72.44.16.0/20 AS15054 NORTHEAST-TEXAS-BROADBAND-LLC - Northeast Texas Broadband, LLC
74.91.48.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.49.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.50.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.51.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.52.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.53.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.54.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.55.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.56.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.57.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.58.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.59.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.60.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.61.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.62.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.63.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.115.124.0/23 AS46540 NARSASN - National Asset Recovery Services, Inc
81.22.64.0/20 AS5511 OPENTRANSIT France Telecom S.A.
82.101.160.0/19 AS5511 OPENTRANSIT France Telecom S.A.
100.100.0.0/24 AS4847 CNIX-AP China Networks Inter-Exchange
102.2.88.0/22 AS38456 PACTEL-AS-AP Pacific Teleports.
110.34.44.0/22 AS12653 COMTONET KB Impuls Hellas S.A.
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 LP
172.102.0.0/22 AS4812 CHINANET-SH-AP China Telecom (Group)
172.116.0.0/24 AS7018 ATT-INTERNET4 - AT&T Services, Inc.
190.3.160.0/21 AS27975 SYNAPSIS COLOMBIA LTDA
190.52.192.0/24 AS27919
190.52.193.0/24 AS27919
190.52.194.0/24 AS27919
190.52.195.0/24 AS27919
190.52.196.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.197.0/24 AS27919
190.52.198.0/24 AS27919
190.52.199.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.200.0/24 AS27947 Telconet S.A
190.52.201.0/24 AS27947 Telconet S.A
190.52.202.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.203.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.205.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.206.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.207.0/24 AS3549 GBLX Global Crossing Ltd.
190.111.96.0/20 AS27589 MOJOHOST - MOJOHOST
190.111.128.0/20 AS27589 MOJOHOST - MOJOHOST
190.111.144.0/20 AS27589 MOJOHOST - MOJOHOST
190.111.160.0/20 AS27589 MOJOHOST - MOJOHOST
190.111.176.0/20 AS27589 MOJOHOST - MOJOHOST
190.115.64.0/20 AS27589 MOJOHOST - MOJOHOST
190.115.80.0/20 AS27589 MOJOHOST - MOJOHOST
190.124.252.0/22 AS7303 Telecom Argentina S.A.
191.255.0.0/16 AS6983 ITCDELTA - ITC^Deltacom
200.1.112.0/24 AS29754 GO2TEL GO2TEL.COM INC.
200.53.0.0/19 AS13878 UOL DIVEO S.A.
200.58.248.0/21 AS27849
200.107.248.0/24 AS27919
200.107.249.0/24 AS27919
200.107.250.0/24 AS27919
200.107.251.0/24 AS27919
200.107.252.0/24 AS28006 CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP
201.71.16.0/20 AS28638
201.77.96.0/20 AS28639
201.222.32.0/20 AS27821
202.8.106.0/24 AS9530 SHINSEGAE-AS SHINSEGAE I&C Co., Ltd.
202.58.113.0/24 AS19161
202.65.96.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) Limited
202.73.240.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) 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
202.174.125.0/24 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
203.142.219.0/24 AS45149
204.9.116.0/22 AS30097 NUWAVE - NuWave
204.10.88.0/21 AS3356 LEVEL3 Level 3 Communications
204.10.92.0/23 AS30097 NUWAVE - NuWave
204.10.94.0/23 AS30097 NUWAVE - NuWave
204.10.112.0/21 AS27027 ANBELL ASN-ANBELL
204.11.112.0/22 AS14745 INTERNAP-BLOCK-4 - Internap Network Services Corporation
205.211.160.0/24 AS30045 UHN-ASN - University Health Network
206.81.112.0/20 AS32618 ADKNO-KC - Adknowledge, Inc.
206.197.184.0/24 AS23304 DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company
206.221.176.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.177.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.178.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.179.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.180.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.181.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.182.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.183.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.184.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.185.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.186.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.187.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.188.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.189.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.190.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.191.0/24 AS27431 JTLNET - JTL Networks Inc.
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.
207.254.128.0/21 AS30689 FLOW-NET - FLOW
207.254.128.0/24 AS30689 FLOW-NET - FLOW
207.254.136.0/21 AS30689 FLOW-NET - FLOW
208.77.164.0/24 AS22659
208.77.165.0/24 AS22659
208.77.166.0/24 AS22659
208.77.167.0/24 AS22659
208.83.53.0/24 AS40569 YGOMI-AS - Ygomi LLC
208.85.212.0/22 AS32618 ADKNO-KC - Adknowledge, Inc.
208.89.32.0/24 AS27431 JTLNET - JTL Networks Inc.
208.89.33.0/24 AS27431 JTLNET - JTL Networks Inc.
208.89.34.0/24 AS27431 JTLNET - JTL Networks Inc.
208.89.35.0/24 AS27431 JTLNET - JTL Networks Inc.
208.91.72.0/24 AS21681 ANDOVER-TRADING - ANDOVER TRADING
208.91.73.0/24 AS17361 BRASS - Sungard Trading System (ASC)
208.91.76.0/23 AS21681 ANDOVER-TRADING - ANDOVER TRADING
209.148.64.0/19 AS13773 TELNETCOMM - Telnet Communications
209.177.64.0/20 AS6461 MFNX MFN - Metromedia Fiber Network
209.212.63.0/24 AS16467 ASN-NEXTWEB-R1 - Nextweb, Inc
209.213.0.0/20 AS33005 ELTOPIA - Eltopia.com, LLC
209.234.112.0/23 AS32252
209.234.114.0/23 AS32252
209.234.116.0/24 AS32252
209.234.117.0/24 AS32252
209.234.118.0/24 AS32252
209.234.119.0/24 AS32252
209.234.120.0/24 AS32252
209.234.121.0/24 AS32252
209.234.122.0/24 AS32252
213.150.204.0/24 AS29338 AFOL-AS Used by Africaonline Operations
216.12.163.0/24 AS26627 AS-PILOSOFT - Pilosoft, Inc.
216.146.0.0/19 AS11915 TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC
216.152.24.0/22 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
216.234.128.0/22 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC.
216.234.132.0/24 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC.
216.234.139.0/24 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC.
Please see http://www.cidr-report.org for the full report