This is an auto-generated mail on Fri Apr 24 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is possible even larger reduction should be possible. 2) Weekly Delta A summary of the last weeks changes in terms of withdrawn and added routes.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 24Apr98 0) General Status Table History ------------- Date Prefixes 170498 51188 180498 51220 190498 51064 200498 51247 210498 51425 220498 51496 230498 51401 240498 51504 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: 3488 Number of ASes announcing only one prefix: 1659 (861 cidr, 798 classful) Largest number of cidr routes: 376 announced by AS3561 Largest number of classful routes: 1115 announced by AS701  1) Gains by aggregating at the origin AS level --- 24Apr98 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS2493 657 413 244 37.1% iSTAR Internet, Inc. AS4293 441 217 224 50.8% IMCI AS816 670 461 209 31.2% UUNET Canada (ASN-UUNETCA-AS4) AS701 1115 939 176 15.8% Alternet AS3602 469 306 163 34.8% Sprint Canada Inc. AS3749 219 64 155 70.8% TECNET AS174 750 601 149 19.9% Performance Systems International AS8505 156 30 126 80.8% Middle East Technical University AS7046 253 149 104 41.1% UUNET-CUSTOMER AS5668 119 45 74 62.2% Century Telephone Inc. AS2048 162 90 72 44.4% LaNet AS3221 110 41 69 62.7% EENet Autonomous System AS4755 97 29 68 70.1% Videsh Sanchar Nigam Ltd. India AS11003 127 59 68 53.5% UNKNOWN AS10928 104 44 60 57.7% UNKNOWN AS271 111 52 59 53.2% BCnet Backbone AS3804 200 142 58 29.0% Bell Solutions AS4313 67 14 53 79.1% DELTANET AS549 209 159 50 23.9% ONet Backbone AS1239 541 492 49 9.1% SprintLink Backbone AS72 84 36 48 57.1% Schlumberger Information Network AS1221 275 227 48 17.5% AARNET-AS AS6392 80 33 47 58.8% MidWest Communications, Inc. AS4763 123 76 47 38.2% Telstra New Zealand AS684 94 52 42 44.7% Manitoba Regional Network Backbon AS852 157 117 40 25.5% AGT Advance Communication AS4740 353 314 39 11.0% ASN-OZEMAIL (Ozemail Pty Ltd) AS3493 164 126 38 23.2% INTERLINK AS4200 129 92 37 28.7% AGIS (Apex Global Information Ser AS803 72 36 36 50.0% SaskNet Backbone 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