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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical The Cidr Report
This report has been generated at Fri Nov 22 21:45:21 2002 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 15-11-02 115525 83541 16-11-02 115876 83482 17-11-02 115903 83487 18-11-02 115816 83543 19-11-02 115965 83826 20-11-02 115962 84457 21-11-02 116704 84654 22-11-02 116795 84742 AS Summary 14074 Number of ASes in routing system 5531 Number of ASes announcing only one prefix 2106 Largest number of prefixes announced by an AS AS3908 : SUPERNETASBLK SuperNet, Inc. 72949760 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'). --- 22Nov02 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 117134 84750 32384 27.6% All ASes AS3908 2106 1243 863 41.0% SUPERNETASBLK SuperNet, Inc. AS701 1715 1271 444 25.9% ALTERNET-AS UUNET Technologies, Inc. AS7843 665 297 368 55.3% ADELPHIA-AS Adelphia Corp. AS7018 1370 1006 364 26.6% ATT-INTERNET4 AT&T WorldNet Services AS18566 367 5 362 98.6% COVAD Covad Communications AS4323 524 184 340 64.9% TW-COMM Time Warner Communications, Inc. AS6197 457 122 335 73.3% BATI-ATL BellSouth Network Solutions, Inc AS1221 1183 858 325 27.5% ASN-TELSTRA Telstra Pty Ltd AS6347 360 80 280 77.8% DIAMOND SAVVIS Communications Corporation AS4355 403 136 267 66.3% ERMS-EARTHLNK EARTHLINK, INC AS7046 584 323 261 44.7% UUNET-CUSTOMER UUNET Technologies, Inc. AS22927 275 20 255 92.7% AR-TEAR2-LACNIC TELEFONICA DE ARGENTINA AS209 589 338 251 42.6% ASN-QWEST Qwest AS1239 910 660 250 27.5% SPRINTLINK Sprint AS6198 415 167 248 59.8% BATI-MIA BellSouth Network Solutions, Inc AS705 436 203 233 53.4% ASN-ALTERNET UUNET Technologies, Inc. AS4814 247 15 232 93.9% CHINANET-BEIJING-AP China Telecom (Group) AS4151 346 123 223 64.5% USDA-1 USDA AS1 657 441 216 32.9% GNTY-1 Genuity AS6140 267 66 201 75.3% IMPSAT-USA ImpSat AS852 666 467 199 29.9% ASN852 Telus Advanced Communications AS17676 229 30 199 86.9% GIGAINFRA XTAGE CORPORATION AS6595 247 56 191 77.3% DODDSEUR DoD Education Activity Network Assistance Center AS17557 307 122 185 60.3% PKTELECOM-AS-AP Pakistan Telecom AS4134 298 116 182 61.1% ERX-CHINALINK Data Communications Bureau AS690 507 331 176 34.7% MERIT-AS-27 Merit Network Inc. AS2048 264 88 176 66.7% LANET-1 State of Louisiana AS7132 223 67 156 70.0% SBIS-AS Southwestern Bell Internet Services AS2548 390 240 150 38.5% ALGX-ATCW-AS Allegiance Telecom Companies Worldwide AS6327 181 33 148 81.8% SHAWFIBER Shaw Fiberlink Limited Total 17188 9108 8080 47.0% Top 30 total Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: [email protected] [email protected] [email protected] [email protected] [email protected]
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