This is an auto-generated mail on Fri Aug 3 23:00:00 PDT 2001 It is not checked before it leaves my workstation. However, hopefully you will find this report interesting and will take the time to look through this to see if you can improve the amount of aggregation you perform. Check http://www.employees.org/~tbates/cidr-report.html for a daily update of this report. NEW: Check http://www.employees.org/~tbates/cidr-report-region.html for the regional version of this report. NEW: Check http://www.employees.org/~tbates/autnums.html for a complete list of autonomous system number to name mappings as used by the CIDR-Report. The report is split into sections: 0) General Status List the route table history for the last week, list any possibly bogus routes seen and give some status on ASes. 1) Gains by aggregating at the origin AS level This lists the "Top 30" players who if they decided to aggregate their announced classful prefixes at the origin AS level could make a significant difference in the reduction of the current size of the Internet routing table. This calculation does not take into account the inclusion of holes when forming an aggregate so it is possible even larger reduction should be possible. 2) Weekly Delta A summary of the last weeks changes in terms of withdrawn and added routes. Please note that this is only a snapshot but does give some indication of ASes participating in CIDR. Clearly, it is generally a good thing to see a large amont of withdrawls. 3) Interesting aggregates Interesting here means not an aggregate made as a set of classful routes. Thanks to GX Networks for giving me access to their routing tables once a day. Please send any comments about this report directly to CIDR Report <cidr-report@cisco.com>.  ------------------------------------------------------------------------------ CIDR REPORT for 03Aug01 0) General Status Table History ------------- Date Prefixes 270701 101541 280701 101451 290701 101356 300701 101504 310701 101910 010801 102050 020801 101595 030801 102236 Check http://www.employees.org/~tbates/cidr.plot.html for a plot of the table history. Possible Bogus Routes --------------------- *** Bogus 67.0.0.0/16 from AS209 *** Bogus 82.104.0.0/16 from AS3269 *** Bogus 82.104.128.0/17 from AS3269 *** Bogus 82.105.0.0/16 from AS3269 *** Bogus 82.105.128.0/17 from AS3269 AS Summary ---------- Number of ASes in routing system: 11335 Number of ASes announcing only one prefix: 6741 (3853 cidr, 2888 classful) Largest number of cidr routes: 865 announced by AS701 Largest number of classful routes: 1411 announced by AS701  1) Gains by aggregating at the origin AS level --- 03Aug01 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS1221 1321 983 338 25.6% Telstra Pty Ltd AS701 1411 1196 215 15.2% UUNET Technologies, Inc. AS2551 639 515 124 19.4% ICG NetAhead, Inc AS4151 273 152 121 44.3% USDA AS4293 386 277 109 28.2% Cable & Wireless USA AS6595 161 57 104 64.6% DoD Education Activity Network As AS6429 204 103 101 49.5% AT&T Chile Internet S.A. AS13999 104 8 96 92.3% Mega Cable S.A. de C.V. AS705 228 136 92 40.4% UUNET Technologies, Inc. AS4755 209 118 91 43.5% Videsh Sanchar Nigam Ltd. Autonom AS7018 719 630 89 12.4% AT&T AS19632 95 10 85 89.5% Metropolis Intercom S.A. AS8013 301 219 82 27.2% PSINet Ltd. Canada AS577 248 175 73 29.4% Bell Advanced Communications Inc. AS724 230 158 72 31.3% DLA Systems Automation Center AS16473 135 63 72 53.3% Bell South AS7046 313 246 67 21.4% UUNET Technologies, Inc. AS6471 123 59 64 52.0% ENTEL CHILE S.A. AS3464 152 91 61 40.1% Alabama SuperComputer Network AS4200 122 62 60 49.2% Apex Global Information Services, AS1239 457 399 58 12.7% Sprint AS12302 90 32 58 64.4% MobiFon S.A. AS16758 63 6 57 90.5% IKON Office Solutions AS1 557 502 55 9.9% BBN Planet AS3908 207 153 54 26.1% Supernet, Inc. AS226 145 92 53 36.6% Los Nettos AS6413 65 13 52 80.0% Southern Online Systems, Inc. AS703 301 250 51 16.9% UUNET Technologies, Inc. AS17561 112 61 51 45.5% Internet service provision to Wes AS852 215 165 50 23.3% Telus Advanced Communications For the rest of the previous weeks gain information please see http://www.employees.org:80/~tbates/cidr-report.html  2) Weekly Delta Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report  3) Interesting aggregates Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report