This report has been generated at Fri Jun 20 21:46:50 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
13-06-03 122864 87360
14-06-03 122926 87329
15-06-03 122763 87312
16-06-03 122762 87326
17-06-03 122762 87406
18-06-03 122964 87459
19-06-03 122930 87558
20-06-03 122465 87674
AS Summary
15329 Number of ASes in routing system
6054 Number of ASes announcing only one prefix
1514 Largest number of prefixes announced by an AS
AS701 : ALTERNET-AS UUNET Technologies, Inc.
73190656 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').
--- 20Jun03 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 122681 87722 34959 28.5% All ASes
AS7132 923 229 694 75.2% SBIS-AS SBC Internet Services
- Southwest
AS11305 647 137 510 78.8% INTERLAND-NET1 Interland
Incorporated
AS701 1514 1070 444 29.3% ALTERNET-AS UUNET
Technologies, Inc.
AS7843 614 175 439 71.5% ADELPHIA-AS Adelphia Corp.
AS4323 600 177 423 70.5% TW-COMM Time Warner
Communications, Inc.
AS7018 1337 927 410 30.7% ATT-INTERNET4 AT&T WorldNet
Services
AS3908 889 521 368 41.4% SUPERNETASBLK SuperNet, Inc.
AS1221 1062 756 306 28.8% ASN-TELSTRA Telstra Pty Ltd
AS6197 518 225 293 56.6% BATI-ATL BellSouth Network
Solutions, Inc
AS4355 397 111 286 72.0% ERMS-EARTHLNK EARTHLINK, INC
AS6198 475 189 286 60.2% BATI-MIA BellSouth Network
Solutions, Inc
AS1239 959 677 282 29.4% SPRINTLINK Sprint
AS6347 367 92 275 74.9% DIAMOND SAVVIS Communications
Corporation
AS27364 319 87 232 72.7% ACS-INTERNET Armstrong Cable
Services
AS17676 250 24 226 90.4% GIGAINFRA XTAGE CORPORATION
AS22773 220 8 212 96.4% CCINET-2 Cox Communications
Inc. Atlanta
AS209 498 305 193 38.8% ASN-QWEST Qwest
AS705 508 331 177 34.8% ALTERNET-AS UUNET
Technologies, Inc.
AS2386 406 235 171 42.1% INS-AS AT&T Data
Communications Services
AS2048 258 87 171 66.3% LANET-1 State of Louisiana
AS17557 341 173 168 49.3% PKTELECOM-AS-AP Pakistan
Telecom
AS6327 190 24 166 87.4% SHAWFIBER Shaw Fiberlink
Limited
AS13601 205 46 159 77.6% ASN-INNERHOST Innerhost, Inc.
AS690 450 293 157 34.9% MERIT-AS-27 Merit Network Inc.
AS20115 463 311 152 32.8% CHARTER-NET-HKY-NC Charter
Communications
AS3602 226 79 147 65.0% SPRINT-CA-AS Sprint Canada
Inc.
AS2686 258 112 146 56.6% AS2686 AT&T Global Network
Services - EMEA
AS6140 297 155 142 47.8% IMPSAT-USA ImpSat
AS7303 238 98 140 58.8% AR-TAST-LACNIC Telecom
Argentina Stet-France Telecom
S.A.
AS14654 145 6 139 95.9% WAYPORT Wayport
Total 15574 7660 7914 50.8% 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
24.119.66.0/24 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
66.240.192.0/19 AS10439 CARI California Regional Intranet, Inc.
66.240.192.0/20 AS10439 CARI California Regional Intranet, Inc.
69.22.64.0/19 AS10994 TAMPA2-TWC-5 Time Warner Communications
69.22.96.0/20 AS10994 TAMPA2-TWC-5 Time Warner Communications
69.51.64.0/19 AS21947 PANGUICH-10 Cutthroat Communications
69.58.0.0/19 AS11877 FROGNET FrogNet, Inc.
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
158.0.0.0/13 AS568 SUMNET-AS DISO-UNRRA
165.212.0.0/16 AS7424 USANET USA.Net
166.16.0.0/16 AS7132 SBIS-AS SBC Internet Services - Southwest
171.64.0.0/10 AS1 GNTY-1 Genuity
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
199.114.140.0/24 AS3544 ITSDN-U7 DISA/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.
202.3.144.0/24 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
202.3.152.0/24 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
202.3.157.0/24 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
202.10.72.0/21 AS9716 AUSTAR-AS-AP Austar Entertainement
202.44.112.0/20 AS17458 CWNETDG-IO-AP Cable and Wireless
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
202.130.248.0/22 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
202.161.0.0/19 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
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.
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.
206.167.57.0/24 AS376 RISQ-AS Reseau Interordinateurs Scientique Quebecois (RISQ)
206.191.64.0/18 AS15290 ATTCA-15290 AT&T Canada Telecom Services Company
206.251.69.0/24 AS27429 TIL Telesat International Ltd.
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.
208.81.187.0/24 AS19194 JOVITA Sentris Network LLC
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.
209.160.73.0/24 AS13415 LUMIX Lumix Communications, Inc.
209.160.209.0/24 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
209.213.160.0/19 AS4355 ERMS-EARTHLNK EARTHLINK, INC
209.222.137.0/24 AS27429 TIL Telesat International Ltd.
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.
210.4.20.0/22 AS10095 AS10095 Segmentation Fault
210.4.60.0/24 AS10095 AS10095 Segmentation Fault
210.4.61.0/24 AS10095 AS10095 Segmentation Fault
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.
216.96.128.0/18 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.
216.211.177.0/24 AS14473 KNET KNet, Inc.
216.226.108.0/22 AS3602 SPRINT-CA-AS Sprint Canada Inc.
Please see http://www.cidr-report.org for the full report