This report has been generated at Fri Nov 23 21:13:08 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
16-11-12 434519 251393
17-11-12 434672 251137
18-11-12 434789 251260
19-11-12 434867 251325
20-11-12 434999 251649
21-11-12 435259 251782
22-11-12 435428 252036
23-11-12 435758 251501
AS Summary
42778 Number of ASes in routing system
17783 Number of ASes announcing only one prefix
3201 Largest number of prefixes announced by an AS
AS7029 : WINDSTREAM - Windstream Communications Inc
114148320 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').
--- 23Nov12 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 435646 251860 183786 42.2% All ASes
AS6389 3151 155 2996 95.1% BELLSOUTH-NET-BLK -
BellSouth.net Inc.
AS28573 2168 67 2101 96.9% NET Servicos de Comunicao S.A.
AS4766 2949 918 2031 68.9% KIXS-AS-KR Korea Telecom
AS17974 2431 539 1892 77.8% TELKOMNET-AS2-AP PT
Telekomunikasi Indonesia
AS7029 3201 1435 1766 55.2% WINDSTREAM - Windstream
Communications Inc
AS18566 2084 423 1661 79.7% COVAD - Covad Communications
Co.
AS22773 1945 292 1653 85.0% ASN-CXA-ALL-CCI-22773-RDC -
Cox Communications Inc.
AS10620 2260 645 1615 71.5% Telmex Colombia S.A.
AS7303 1668 396 1272 76.3% Telecom Argentina S.A.
AS4323 1592 399 1193 74.9% TWTC - tw telecom holdings,
inc.
AS4755 1622 536 1086 67.0% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP
AS7552 1140 201 939 82.4% VIETEL-AS-AP Vietel
Corporation
AS8151 1608 697 911 56.7% Uninet S.A. de C.V.
AS18101 1017 173 844 83.0% RELIANCE-COMMUNICATIONS-IN
Reliance Communications
Ltd.DAKC MUMBAI
AS1785 1931 1155 776 40.2% AS-PAETEC-NET - PaeTec
Communications, Inc.
AS4808 1126 351 775 68.8% CHINA169-BJ CNCGROUP IP
network China169 Beijing
Province Network
AS13977 861 118 743 86.3% CTELCO - FAIRPOINT
COMMUNICATIONS, INC.
AS855 705 52 653 92.6% CANET-ASN-4 - Bell Aliant
Regional Communications, Inc.
AS3356 1117 499 618 55.3% LEVEL3 Level 3 Communications
AS17676 704 88 616 87.5% GIGAINFRA Softbank BB Corp.
AS3549 1050 442 608 57.9% GBLX Global Crossing Ltd.
AS22561 1040 432 608 58.5% DIGITAL-TELEPORT - Digital
Teleport Inc.
AS19262 1004 405 599 59.7% VZGNI-TRANSIT - Verizon Online
LLC
AS36998 772 178 594 76.9% SDN-MOBITEL
AS24560 1040 451 589 56.6% AIRTELBROADBAND-AS-AP Bharti
Airtel Ltd., Telemedia
Services
AS22047 579 30 549 94.8% VTR BANDA ANCHA S.A.
AS4780 843 298 545 64.7% SEEDNET Digital United Inc.
AS18881 594 49 545 91.8% Global Village Telecom
AS7011 1222 692 530 43.4% FRONTIER-AND-CITIZENS -
Frontier Communications of
America, Inc.
AS4804 643 126 517 80.4% MPX-AS Microplex PTY LTD
Total 44067 12242 31825 72.2% 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-
14.192.20.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.24.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
27.112.114.0/24 AS23884 PROENNET-AS Proimage Engineering and Communication Co.,Ltd.
41.222.80.0/21 AS37110 moztel-as
41.223.108.0/22 AS36966 EDL_AS Edgenet AS
62.12.96.0/19 AS38478 SUNNYVISION-AS-AP SunnyVision Limited
62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV
62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV
64.66.32.0/20 AS18864
64.187.208.0/24 AS174 COGENT Cogent/PSI
64.187.209.0/24 AS23005 SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC
65.111.1.0/24 AS32258 SDNGLOBAL - SDN Global
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
66.245.176.0/20 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
69.165.92.0/24 AS20077 IPNETZONE-ASN - IPNetZone
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
81.4.0.0/18 AS38478 SUNNYVISION-AS-AP SunnyVision Limited
81.22.64.0/20 AS5511 OPENTRANSIT France Telecom S.A.
82.101.160.0/19 AS5511 OPENTRANSIT France Telecom S.A.
91.217.250.0/24 AS43108 GARM-AS Garm Technologies Ltd.
100.100.0.0/24 AS4847 CNIX-AP China Networks Inter-Exchange
102.2.88.0/22 AS38456 PACTEL-AS-AP Pacific Teleports.
103.31.84.0/22 AS7642 DHIRAAGU-MV-AP Dhiraagu Internet Services
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.
200.1.112.0/24 AS29754 GO2TEL GO2TEL.COM INC.
200.6.49.0/24 AS23148 TERREMARK Terremark
200.53.0.0/19 AS13878 Diveo do Brasil Telecomunicacoes Ltda
200.58.248.0/21 AS27849
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.
202.58.113.0/24 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
203.32.188.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd
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
205.175.214.0/24 AS5583 ORANGE-BUSINESS-SERVICES-BENELUX France Telecom S.A.
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.
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
207.254.138.0/24 AS30689 FLOW-NET - FLOW
207.254.140.0/24 AS30689 FLOW-NET - FLOW
208.83.53.0/24 AS40569 YGOMI-AS - Ygomi LLC
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.
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
213.150.204.0/24 AS29338 AFOL-AS Used by Africaonline Operations
216.12.160.0/20 AS26627 AS-PILOSOFT - Pilosoft, Inc.
216.21.160.0/20 AS27876 American Data Networks
216.146.0.0/19 AS11915 TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC
216.194.160.0/20 AS27876 American Data Networks
216.227.142.0/23 AS46856 GLOBAL-HOST-AS - The Global Host Exchange
216.227.144.0/21 AS46856 GLOBAL-HOST-AS - The Global Host Exchange
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