This is an auto-generated mail on Fri Jun 5 12:00:00 PDT 1998 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. 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is possible even larger reduction should be possible. 2) Weekly Delta A summary of the last weeks changes in terms of withdrawn and added routes.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 xara.net for giving me access to their routing tables once a day. Please send any comments about this report directly to me. Check http://www.employees.org/~tbates/cidr-report.html for a daily update of this report.  ------------------------------------------------------------------------------ CIDR REPORT for 05Jun98 0) General Status Table History ------------- Date Prefixes 290598 50967 300598 51064 310598 50995 010698 50998 020698 51248 030698 51503 040698 51477 050698 50625 Check http://www.employees.org/~tbates/cidr.plot.html for a plot of the table history. Possible Bogus Routes --------------------- AS Summary ---------- Number of ASes in routing system: 3625 Number of ASes announcing only one prefix: 1747 (923 cidr, 824 classful) Largest number of cidr routes: 360 announced by AS3561 Largest number of classful routes: 1108 announced by AS701  1) Gains by aggregating at the origin AS level --- 05Jun98 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS4293 466 240 226 48.5% IMCI AS2493 503 293 210 41.7% iSTAR Internet, Inc. AS174 810 622 188 23.2% Performance Systems International AS3602 499 315 184 36.9% Sprint Canada Inc. AS701 1108 929 179 16.2% Alternet AS3749 220 65 155 70.5% TECNET AS3221 112 42 70 62.5% EENet Autonomous System AS5668 115 47 68 59.1% Century Telephone Inc. AS4755 97 30 67 69.1% Videsh Sanchar Nigam Ltd. India AS3248 128 61 67 52.3% VIAnet AS10928 108 44 64 59.3% UNKNOWN AS7046 203 141 62 30.5% UUNET-CUSTOMER AS6269 125 66 59 47.2% AT&T NWCS backbone network AS3804 199 141 58 29.1% Bell Solutions AS271 110 52 58 52.7% BCnet Backbone AS549 206 153 53 25.7% ONet Backbone AS4740 374 324 50 13.4% ASN-OZEMAIL (Ozemail Pty Ltd) AS4539 74 24 50 67.6% NETROPOLIS AS1221 274 224 50 18.2% AARNET-AS AS72 85 37 48 56.5% Schlumberger Information Network AS6335 68 20 48 70.6% NTRNET AS1239 541 494 47 8.7% SprintLink Backbone AS4200 144 99 45 31.2% AGIS (Apex Global Information Ser AS852 159 118 41 25.8% AGT Advance Communication AS719 443 404 39 8.8% LANLINK autonomous system AS7657 120 82 38 31.7% The Internet Group Limited AS762 117 80 37 31.6% WELLFLEET-AS AS6181 65 28 37 56.9% FUSE-NET AS803 72 36 36 50.0% SaskNet Backbone AS4763 108 72 36 33.3% Telstra New Zealand 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