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The Cidr Report
This is a test of the cidr report mailer.
The report will normally be circulated each Friday at 1200 UTC
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This report has been generated at Fri Sep 13 08:32:12 2002 AEST.
The report analyses the BGP Routing Table of the Route-Views router
and generates a report on aggregation potential within the table.
Check http://bgp.potaroo.net/cidr for a current version of this report.
Recent Table History
Date Prefixes
06-09-02 121201
07-09-02 121195
08-09-02 121134
09-09-02 121168
10-09-02 121129
11-09-02 121290
12-09-02 121145
13-09-02 121301
Possible Bogus Routes
39.0.0.0/8 AS4554 EP0-BLK-ASNBLOCK-4 Exchange Point Blocks
192.168.4.0/24 AS6762 SEABONE-NET Telecom Italia international high speed,
AS Summary
13882 Number of ASes in routing system
5306 Number of ASes announcing only one prefix
1799 Largest number of prefixes announced by an AS
AS209 : ASN-QWEST Qwest
73089280 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 not
proposed across non-advertised address space ('holes').
--- 13Sep02 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 121278 87543 33735 27.8% All ASes
AS209 1799 1040 759 42.2% ASN-QWEST Qwest
AS3908 1133 634 499 44.0% SUPERNETASBLK SuperNet, Inc.
AS2548 1579 1128 451 28.6% ICIX-MD-AS Business Internet,
Inc.
AS7132 603 185 418 69.3% SBIS-AS Southwestern Bell
Internet Services
AS701 1765 1353 412 23.3% ALTERNET-AS UUNET
Technologies, Inc.
AS7018 1343 956 387 28.8% ATT-INTERNET4 AT&T WorldNet
Services
AS1221 1298 936 362 27.9% ASN-TELSTRA Telstra Pty Ltd
AS4323 647 303 344 53.2% TW-COMM Time Warner
Communications, Inc.
AS7843 677 350 327 48.3% ADELPHIA-AS Adelphia Corp.
AS7046 612 316 296 48.4% UUNET-CUSTOMER UUNET
Technologies, Inc.
AS6197 382 100 282 73.8% BATI-ATL BellSouth Network
Solutions, Inc
AS852 738 457 281 38.1% ASN852 Telus Advanced
Communications
AS18566 270 4 266 98.5% COVAD Covad Communications
AS6347 396 136 260 65.7% DIAMOND SAVVIS Communications
Corporation
AS4151 283 32 251 88.7% USDA-1 USDA
AS1 680 447 233 34.3% GNTY-1 Genuity
AS4814 229 30 199 86.9% CHINANET-BEIJING-AP China
Telecom (Group)Beijing
Telecom CompanyBeijing China
AS690 519 326 193 37.2% NSFNET-T3-RT-AS Merit Network
Inc.
AS4355 360 169 191 53.1% ERMS-EARTHLNK EARTHLINK, INC
AS1239 844 657 187 22.2% SprintLink Sprint
AS9942 248 71 177 71.4% COMINDICO-AP COMindico
Australia
AS2386 416 240 176 42.3% INS-AS AT&T Data
Communications Services
AS3356 393 220 173 44.0% LEVEL3 Level 3 Communications,
LLC
AS6595 246 75 171 69.5% DODDSEUR DoD Education
Activity Network Assistance
Center
AS4134 302 135 167 55.3% ERX-CHINALINK Data
Communications Bureau
AS1791 186 23 163 87.6% SPRINTLINK3 Sprint Government
Systems Division
AS11371 169 7 162 95.9% UUNET-AS-11371 UUNET
Technologies, Inc.
AS1564 162 4 158 97.5% HQ, 5th Signal Command
AS6327 171 16 155 90.6% SHAWFIBER Shaw Fiberlink
Limited
AS17676 219 64 155 70.8% GIGAINFRA APNIC ASN block
Total 18669 10414 8255 44.2% Top 30 total
Please see http://bgp.potaroo.net/cidr for the full report
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Copies of this report are mailed to:
nanog at merit.edu
eof-list at ripe.net
apops at lists.apnic.net
routing-wg at ripe.net
afnog at afnog.org
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