The Cidr Report
- Date: Fri, 9 May 2003 22:00:00 +1000 (EST)
This report has been generated at Fri May 9 21:46:11 2003 AEST.
The report analyses the BGP Routing Table of an AS4637 (Reach) router
and generates a report on aggregation potential within the table.
Check http://www.cidr-report.org/as4637 for a current version of this report.
Recent Table History
Date Prefixes CIDR Agg
02-05-03 122251 86865
03-05-03 122319 87066
04-05-03 122363 87067
05-05-03 122379 87079
06-05-03 122340 87095
07-05-03 122432 86820
08-05-03 122376 86965
09-05-03 122433 86761
AS Summary
15091 Number of ASes in routing system
5981 Number of ASes announcing only one prefix
1529 Largest number of prefixes announced by an AS
AS701 : ALTERNET-AS UUNET Technologies, Inc.
73183232 Largest address span announced by an AS (/32s)
AS568 : SUMNET-AS DISO-UNRRA
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').
--- 09May03 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 122403 86785 35618 29.1% All ASes
AS4151 1083 77 1006 92.9% USDA-1 USDA
AS7132 963 208 755 78.4% SBIS-AS SBC Internet Services
- Southwest
AS7843 655 169 486 74.2% ADELPHIA-AS Adelphia Corp.
AS701 1529 1089 440 28.8% ALTERNET-AS UUNET
Technologies, Inc.
AS4323 585 172 413 70.6% TW-COMM Time Warner
Communications, Inc.
AS7018 1331 934 397 29.8% ATT-INTERNET4 AT&T WorldNet
Services
AS3908 896 526 370 41.3% SUPERNETASBLK SuperNet, Inc.
AS1221 1091 779 312 28.6% ASN-TELSTRA Telstra Pty Ltd
AS705 533 237 296 55.5% ALTERNET-AS UUNET
Technologies, Inc.
AS1239 970 682 288 29.7% SPRINTLINK Sprint
AS22927 298 14 284 95.3% AR-TEAR2-LACNIC TELEFONICA DE
ARGENTINA
AS4355 393 111 282 71.8% ERMS-EARTHLNK EARTHLINK, INC
AS6198 465 183 282 60.6% BATI-MIA BellSouth Network
Solutions, Inc
AS6197 483 205 278 57.6% BATI-ATL BellSouth Network
Solutions, Inc
AS4814 294 21 273 92.9% CHINANET-BEIJING-AP China
Telecom (Group)
AS2386 546 314 232 42.5% INS-AS AT&T Data
Communications Services
AS17676 245 22 223 91.0% GIGAINFRA XTAGE CORPORATION
AS27364 270 63 207 76.7% ACS-INTERNET Armstrong Cable
Services
AS22773 209 8 201 96.2% CCINET-2 Cox Communications
Inc. Atlanta
AS209 489 298 191 39.1% ASN-QWEST Qwest
AS3561 505 327 178 35.2% CWUSA Cable & Wireless USA
AS2048 262 88 174 66.4% LANET-1 State of Louisiana
AS6347 370 198 172 46.5% DIAMOND SAVVIS Communications
Corporation
AS690 482 315 167 34.6% MERIT-AS-27 Merit Network Inc.
AS6327 189 23 166 87.8% SHAWFIBER Shaw Fiberlink
Limited
AS4200 174 21 153 87.9% AGIS-NET Apex Global
Information Services, Inc.
AS17557 371 219 152 41.0% PKTELECOM-AS-AP Pakistan
Telecom
AS2686 256 106 150 58.6% AS2686 AT&T Global Network
Services - EMEA
AS6140 293 143 150 51.2% IMPSAT-USA ImpSat
AS3602 225 79 146 64.9% SPRINT-CA-AS Sprint Canada
Inc.
Total 16455 7631 8824 53.6% Top 30 total
Possible Bogus Routes
24.2.128.0/21 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.7.10.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.11.98.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.14.197.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.18.132.0/23 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.23.8.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.119.0.0/16 AS11492 CABLEONE CABLE ONE
24.180.60.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.183.185.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.183.186.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.183.187.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.183.188.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.183.189.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.183.191.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
24.223.128.0/17 AS11060 NEO-RR-COM Time Warner Cable Northeast Ohio
61.12.32.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd
61.12.34.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd
64.30.64.0/19 AS14900 USLEC-CORP-1 USLEC Corp.
65.2.165.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
65.6.145.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
65.6.146.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
65.6.147.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
65.6.150.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
65.6.151.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
65.8.0.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
65.11.200.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
65.11.201.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
65.15.117.0/24 AS6478 ATT-INTERNET3 AT&T WorldNet Services
66.41.192.0/18 AS13367 ATT-BBND-B AT&T Broadband
68.192.0.0/14 AS6128 CABLE-NET-1 Cablevision Systems Corp.
69.11.0.0/20 AS803 SASKTEL SaskTel
132.0.0.0/10 AS568 SUMNET-AS DISO-UNRRA
137.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA
138.136.0.0/13 AS568 SUMNET-AS DISO-UNRRA
140.240.0.0/13 AS1 GNTY-1 Genuity
155.32.0.0/12 AS1 GNTY-1 Genuity
155.36.0.0/16 AS14751 CONVERSENT Conversent Communications
158.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA
165.212.0.0/16 AS7424 USANET USA.Net
166.16.0.0/16 AS3751 SNET-AS Southern New England Telephone
171.64.0.0/10 AS1 GNTY-1 Genuity
192.16.52.0/24 AS1239 SPRINTLINK Sprint
192.43.230.0/24 AS4738 SAARDNET-AS South Australian Academic Research and Development Network
192.44.0.0/19 AS702 ALTERNET-AS UUNET Technologies, Inc.
192.83.16.0/20 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System
192.83.32.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System
192.83.64.0/19 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System
192.83.96.0/22 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System
192.83.100.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System
192.119.135.0/24 AS270 PSCNI-AS National Aeronautics and Space Administration
192.124.252.0/22 AS680 AS680 DFN-IP service G-WiN
192.135.50.0/24 AS7018 ATT-INTERNET4 AT&T WorldNet Services
192.136.79.0/24 AS719 AS719 LANLINK autonomous system
192.153.136.0/21 AS568 SUMNET-AS DISO-UNRRA
192.153.144.0/21 AS568 SUMNET-AS DISO-UNRRA
192.172.0.0/19 AS568 SUMNET-AS DISO-UNRRA
192.188.208.0/20 AS568 SUMNET-AS DISO-UNRRA
192.228.0.0/16 AS4637 REACH Reach Network Border AS
192.243.32.0/23 AS2044 PALIN-AS Palin Aquisitions Inc.
198.23.26.0/24 AS4390 BELLATLANTIC-COM Bell Atlantic, Inc.
198.97.72.0/21 AS568 SUMNET-AS DISO-UNRRA
198.97.80.0/20 AS568 SUMNET-AS DISO-UNRRA
198.97.88.0/24 AS89 NUSC-CSTLNET-AS Naval Underwater Systems Center
198.97.192.0/20 AS568 SUMNET-AS DISO-UNRRA
198.97.240.0/20 AS568 SUMNET-AS DISO-UNRRA
198.98.8.0/21 AS3701 NERONET Oregon Joint Graduate Schools of Engineering
198.101.4.0/22 AS568 SUMNET-AS DISO-UNRRA
198.136.32.0/20 AS19329 MCNET Martin County Board of County Commissioners
198.144.32.0/19 AS3998 CITY-NET CityNet, Inc.
198.161.87.0/24 AS6539 GROUPTLCOM GT Group Telecom Services Corp.
198.161.165.0/24 AS852 ASN852 Telus Advanced Communications
198.163.155.0/24 AS684 MBNET-AS Manitoba Regional Network
198.167.0.0/16 AS7456 INTERHOP Interhop Network SERVICES Inc.
198.167.163.0/24 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company
198.168.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc.
198.169.0.0/16 AS803 SASKTEL SaskTel
198.232.133.0/24 AS23075 SKOTOS-AS Skotos Tech, Inc
199.10.0.0/16 AS568 SUMNET-AS DISO-UNRRA
199.60.0.0/20 AS271 BCNET-AS University of British Columbia
199.79.32.0/20 AS3701 NERONET Oregon Joint Graduate Schools of Engineering
199.84.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc.
199.114.0.0/18 AS568 SUMNET-AS DISO-UNRRA
199.114.0.0/21 AS568 SUMNET-AS DISO-UNRRA
199.114.128.0/18 AS568 SUMNET-AS DISO-UNRRA
199.120.32.0/19 AS16582 NEXTLEVELINTERNET NEXTLEVEL INTERNET, INC.
199.121.0.0/16 AS568 SUMNET-AS DISO-UNRRA
199.123.16.0/20 AS568 SUMNET-AS DISO-UNRRA
199.123.80.0/21 AS568 SUMNET-AS DISO-UNRRA
199.167.25.0/24 AS701 ALTERNET-AS UUNET Technologies, Inc.
199.189.32.0/19 AS7332 IQUEST-AS IQuest Internet
199.202.0.0/16 AS701 ALTERNET-AS UUNET Technologies, Inc.
200.14.32.0/22 AS11751 BR-ICEP-LACNIC Instituto Cyber de Ensino e Pesquisa
200.14.34.0/23 AS11751 BR-ICEP-LACNIC Instituto Cyber de Ensino e Pesquisa
202.3.144.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.145.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.146.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.147.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.148.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.149.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.150.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.151.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.152.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.153.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.154.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.155.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.156.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.157.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.158.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.3.159.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
202.4.252.0/22 AS4808 CNCGROUP-BJ CNCGROUP-BJ
202.4.255.0/24 AS4799 UNSPECIFIED Ji Tong Communications Co., Ltd.
202.6.96.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN
202.6.97.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN
202.6.99.0/24 AS4761 INDOSAT1-AP INDOSATNET-ASN
202.41.160.0/24 AS9826 ILINK-HK-AP iLink.net Ltd
202.41.161.0/24 AS9826 ILINK-HK-AP iLink.net Ltd
202.41.163.0/24 AS9826 ILINK-HK-AP iLink.net Ltd
202.41.164.0/24 AS9826 ILINK-HK-AP iLink.net Ltd
202.41.165.0/24 AS9826 ILINK-HK-AP iLink.net Ltd
202.44.112.0/20 AS17458 CWNETDG-IO-AP Cable and Wireless
202.79.0.0/20 AS4637 REACH Reach Network Border AS
202.89.200.0/24 AS7473 SINGTEL-AS-AP Singapore Telecom
202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street
202.93.64.0/19 AS9425 I-NEXT-AS-AP Inter.net Philippines border AS
202.122.76.0/24 AS17553 TIMELESS-AP System Integration provider
202.130.224.0/20 AS4808 CNCGROUP-BJ CNCGROUP-BJ
202.130.240.0/21 AS4808 CNCGROUP-BJ CNCGROUP-BJ
202.130.248.0/21 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street
202.130.248.0/22 AS4812 CHINANET-SH-AP China Telecom (Group)
202.130.252.0/22 AS4812 CHINANET-SH-AP China Telecom (Group)
202.136.254.0/23 AS4808 CNCGROUP-BJ CNCGROUP-BJ
202.136.254.0/24 AS4808 CNCGROUP-BJ CNCGROUP-BJ
202.140.230.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited
202.140.232.0/23 AS9466 UUNET-JP-AP UUNET Japan Limited
202.140.234.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited
202.140.235.0/24 AS9466 UUNET-JP-AP UUNET Japan Limited
202.142.130.0/23 AS17820 DIL-AP DIRECT INTERNET LTD.
202.142.132.0/22 AS17820 DIL-AP DIRECT INTERNET LTD.
202.143.48.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN
202.143.56.0/21 AS4795 INDOSAT2-ID-AP INDOSATNET-ASN
202.159.128.0/17 AS4622 UNSPECIFIED IndoInternet PT.
202.161.0.0/19 AS10097 FLOWCOM flow communications level 2 541 kent st sydney nsw 2000
202.161.0.0/21 AS4634 -No Whois Entry-
202.161.8.0/21 AS4634 -No Whois Entry-
202.164.192.0/19 AS7599 IPXC-AS-AP IP Exchange
202.165.0.0/19 AS9443 INTERNETPRIMUS-AS-AP Primus Telecommunications
202.173.32.0/19 AS9671 APNIC-AS-3-BLOCK Asia Pacific Network Information Centre
203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet)
203.76.128.0/24 AS9729 IS-AP iAdvantage Limited
203.76.224.0/24 AS9549 COMDEK-ISP-AS-AP Comdek ISP
203.78.125.0/24 AS17653 PCM-HK-AP Pacific Century Matrix
203.86.2.0/23 AS4058 APNIC-4058 Asia Pacific Network Information Centre
203.90.192.0/20 AS9658 ETPI-IDS-AS-AP Eastern Telecoms Phils., Inc.
203.135.99.0/24 AS2687 IBM-MMD-AS IBM
203.135.224.0/19 AS4058 APNIC-4058 Asia Pacific Network Information Centre
203.161.39.0/24 AS4768 CLIX-NZ CLEAR Internet Exchange
204.19.224.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc.
204.29.189.0/24 AS11755 WAYMARKCOMM Waymark Internet Services, Inc.
204.52.232.0/24 AS7177 DFWNET DFW Internet Services, Inc.
204.89.225.0/24 AS2495 KANREN Kansas Research and Education Network
204.154.240.0/21 AS11572 MEDIACOM Mediacom,llc / RidgeNet
204.194.110.0/23 AS10588 ICSNET Intelligent Computer Solutions, Inc
205.150.0.0/15 AS701 ALTERNET-AS UUNET Technologies, Inc.
205.173.248.0/21 AS2548 ALGX-ATCW-AS Allegiance Telecom Companies Worldwide
205.233.139.0/24 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company
206.41.32.0/19 AS14824 NEWSOUTH NewSouth Communications Corp.
206.81.187.0/24 AS19194 JOVITA Sentris Network LLC
206.82.64.0/18 AS7029 ALLTELNET Alltel Information Services, Inc.
206.108.34.0/24 AS852 ASN852 Telus Advanced Communications
206.108.35.0/24 AS852 ASN852 Telus Advanced Communications
206.126.0.0/19 AS5750 FLEXNET-HAWAII FlexNet Inc.
206.191.64.0/18 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company
206.251.69.0/24 AS10494 AAI Accurate Automation, Inc.
207.47.39.0/24 AS816 UUNET-AS4 UUNET Technologies, Inc.
207.92.0.0/14 AS2551 ICG ICG NetAhead, Inc.
207.162.192.0/19 AS4589 EASYNET Easynet Group Plc
207.231.96.0/19 AS11194 NUNETPA NuNet Inc
208.65.232.0/23 AS701 ALTERNET-AS UUNET Technologies, Inc.
208.66.66.0/24 AS14985 VEROXITY Veroxity Technology Partners, Inc.
208.81.187.0/24 AS19194 JOVITA Sentris Network LLC
208.101.8.0/24 AS3561 CWUSA Cable & Wireless USA
208.104.103.0/24 AS1239 SPRINTLINK Sprint
209.104.198.0/24 AS6137 SISNA SISNA, Inc.
209.104.199.0/24 AS6137 SISNA SISNA, Inc.
209.104.218.0/24 AS6137 SISNA SISNA, Inc.
209.104.219.0/24 AS6137 SISNA SISNA, Inc.
209.104.252.0/22 AS12030 PACIFIC-ONLINE-PON Pacific Online Services
209.108.0.0/14 AS2551 ICG ICG NetAhead, Inc.
209.151.128.0/19 AS816 UUNET-AS4 UUNET Technologies, Inc.
209.160.70.0/23 AS13415 LUMIX Lumix Communications, Inc.
209.160.73.0/24 AS13415 LUMIX Lumix Communications, Inc.
209.160.209.0/24 AS13415 LUMIX Lumix Communications, Inc.
209.160.210.0/24 AS13415 LUMIX Lumix Communications, Inc.
209.169.219.0/24 AS189 GENUITY-AS189 Genuity
209.169.223.0/24 AS189 GENUITY-AS189 Genuity
209.172.0.0/18 AS7770 TRITON Triton Technologies, Inc.
209.213.32.0/19 AS10629 INTERPAC Inter-Pacific Network Services
209.213.50.0/24 AS10629 INTERPAC Inter-Pacific Network Services
209.213.51.0/24 AS10629 INTERPAC Inter-Pacific Network Services
209.213.55.0/24 AS10629 INTERPAC Inter-Pacific Network Services
209.213.56.0/24 AS10629 INTERPAC Inter-Pacific Network Services
209.222.137.0/24 AS10494 AAI Accurate Automation, Inc.
209.240.96.0/19 AS10815 KCNET KCnet, Inc.
209.251.0.0/19 AS11036 SISCOM SISCOM, Inc
209.251.64.0/19 AS10266 NETWAY-AS MDC, Inc.
211.27.156.0/24 AS9768 PUBNET1-AS KT
216.18.224.0/21 AS11458 IMBRIS IMBRIS, INC.
216.18.224.0/22 AS11458 IMBRIS IMBRIS, INC.
216.18.228.0/22 AS11458 IMBRIS IMBRIS, INC.
216.47.32.0/19 AS11304 SPLUS Solutions Plus Inc.
216.81.32.0/20 AS3356 LEVEL3 Level 3 Communications, LLC
216.81.64.0/20 AS3356 LEVEL3 Level 3 Communications, LLC
216.96.128.0/18 AS7018 ATT-INTERNET4 AT&T WorldNet Services
216.115.178.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions
216.115.179.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions
216.115.182.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions
216.115.183.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions
216.115.184.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions
216.115.186.0/23 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions
216.115.186.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions
216.115.189.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions
216.115.190.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions
216.115.191.0/24 AS11676 ACSBPS Affiliated Computing Services Business ProcessSolutions
216.153.0.0/17 AS6203 ISDN-NET ISDN-Net Inc.
216.153.96.0/20 AS1239 SPRINTLINK Sprint
216.211.177.0/24 AS14473 KNET KNet, Inc.
216.226.108.0/22 AS3602 SPRINT-CA-AS Sprint Canada Inc.
217.117.117.0/24 AS2007 INFONET3 INFONET
Please see http://www.cidr-report.org for the full report
------------------------------------
Copies of this report are mailed to:
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apops@localhost
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