[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
The Cidr Report
This is an auto-generated mail on Fri Aug 16 23:00:01 PDT 2002
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A summary of the last weeks changes in terms of withdrawn and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 amount 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 at cisco.com>.
------------------------------------------------------------------------------
CIDR REPORT for 16Aug02
0) General Status
Table History
-------------
Date Prefixes
090802 112833
100802 112990
110802 112840
120802 112791
130802 112534
140802 112650
150802 112454
160802 112263
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: 13432
Number of ASes announcing only one prefix: 8161 (4608 cidr, 3553 classful)
Largest number of cidr routes: 715 announced by AS3908
Largest number of classful routes: 1192 announced by AS701
1) Gains by aggregating at the origin AS level
--- 16Aug02 ---
ASnum NetsNow NetsCIDR NetGain % Gain Description
AS701 1192 962 230 19.3% UUNET Technologies, Inc.
AS1221 1043 824 219 21.0% Telstra Pty Ltd
AS17557 265 94 171 64.5% Pakistan Telecom
AS6595 227 58 169 74.4% DoD Education Activity Network As
AS852 515 378 137 26.6% Telus Advanced Communications
AS7018 795 678 117 14.7% AT&T
AS16473 178 73 105 59.0% Bell South
AS4151 251 154 97 38.6% USDA
AS19632 99 5 94 94.9% Metropolis Intercom S.A.
AS12302 122 29 93 76.2% MobiFon S.A.
AS16814 105 20 85 81.0% NSS, S.A.
AS226 170 89 81 47.6% Los Nettos
AS1239 500 419 81 16.2% Sprint
AS577 268 194 74 27.6% Bell Advanced Communications Inc.
AS7046 289 216 73 25.3% UUNET Technologies, Inc.
AS4755 203 130 73 36.0% Videsh Sanchar Nigam Ltd. Autonom
AS2048 179 106 73 40.8% State of Louisiana
AS724 214 152 62 29.0% DLA Systems Automation Center
AS19834 64 4 60 93.8% NetForce, Inc.
AS10620 85 25 60 70.6% TVCABLE BOGOTA
AS3464 161 103 58 36.0% Alabama SuperComputer Network
AS5515 243 186 57 23.5% Sonera Finland Autonomous System
AS16758 63 6 57 90.5% IKON Office Solutions
AS3908 283 228 55 19.4% Supernet, Inc.
AS9498 85 31 54 63.5% BHARTI BT INTERNET LTD.
AS9051 82 28 54 65.9% INCONET Autonomous System
AS209 286 232 54 18.9% Qwest
AS6535 69 16 53 76.8% Chilesat Servicios Empresariales
AS703 276 225 51 18.5% UUNET Technologies, Inc.
AS4538 87 36 51 58.6% China Education and Research Netw
Total 54945 42384 12561 22.9%
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
-----
This is the afnog mailing list, managed by Majordomo 1.94.5
To send a message to this list, e-mail afnog at afnog.org
To send a request to majordomo, e-mail majordomo at afnog.org and put
your request in the body of the message (i.e use "help" for help)
This list is maintained by owner-afnog at afnog.org