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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical The Cidr Report
This is an auto-generated mail on Fri Dec 17 12:00:00 PST 1999
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A summary of the last weeks changes in terms of withdrawn and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.
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CIDR REPORT for 17Dec99
0) General Status
Table History
-------------
Date Prefixes
101299 67903
111299 67955
121299 67842
131299 67917
141299 67952
151299 68032
161299 68301
171299 68465
Check http://www.employees.org/~tbates/cidr.plot.html for a plot
of the table history.
Possible Bogus Routes
---------------------
*** Bogus 64.4.64.0/19 from AS7398
*** Bogus 64.4.128.0/19 from AS13932
*** Bogus 64.5.0.0/19 from AS14107
*** Bogus 64.5.64.0/19 from AS6601
*** Bogus 64.6.32.0/20 from AS13740
*** Bogus 64.6.64.0/20 from AS10726
*** Bogus 64.6.96.0/20 from AS8049
*** Bogus 64.6.160.0/23 from AS11354
*** Bogus 64.6.160.0/20 from AS11354
*** Bogus 64.6.162.0/24 from AS11354
*** Bogus 64.6.192.0/21 from AS14215
*** Bogus 64.6.204.0/23 from AS14215
*** Bogus 64.6.206.0/23 from AS14215
*** Bogus 64.7.0.0/24 from AS6461
*** Bogus 64.7.2.0/23 from AS3967
*** Bogus 64.7.4.0/23 from AS3967
*** Bogus 64.8.0.0/20 from AS7843
*** Bogus 64.8.24.0/21 from AS7843
*** Bogus 64.9.0.0/19 from AS7843
*** Bogus 64.9.32.0/20 from AS701
*** Bogus 64.9.48.0/20 from AS1239
*** Bogus 64.9.128.0/18 from AS5003
*** Bogus 64.10.0.0/16 from AS816
*** Bogus 64.10.10.0/24 from AS705
*** Bogus 64.14.0.0/19 from AS3967
*** Bogus 64.14.32.0/19 from AS3967
*** Bogus 64.14.64.0/20 from AS3967
*** Bogus 64.14.80.0/20 from AS3967
*** Bogus 64.14.96.0/20 from AS3967
*** Bogus 64.14.112.0/20 from AS3967
*** Bogus 64.14.128.0/20 from AS3967
*** Bogus 219.91.160.0/22 from AS7742
*** Bogus 219.91.164.0/23 from AS7742
AS Summary
----------
Number of ASes in routing system: 6269
Number of ASes announcing only one prefix: 3337 (1827 cidr, 1510 classful)
Largest number of cidr routes: 668 announced by AS701
Largest number of classful routes: 973 announced by AS701
1) Gains by aggregating at the origin AS level
--- 17Dec99 ---
ASnum NetsNow NetsCIDR NetGain % Gain Description
AS271 383 141 242 63.2% BCnet Backbone
AS7046 398 256 142 35.7% UUNET-CUSTOMER
AS2609 125 11 114 91.2% EUnet-TN
AS9269 133 20 113 85.0% Hong Kong CTI
AS1221 635 524 111 17.5% TELSTRA-AS
AS7657 271 175 96 35.4% The Internet Group Limited
AS9706 110 15 95 86.4% Pusan Metropolitan City Office of
AS1653 129 38 91 70.5% SUNET Swedish University Network
AS4293 238 150 88 37.0% Internal ASN for C&W
AS174 568 482 86 15.1% Performance Systems International
AS7496 114 38 76 66.7% Power Up
AS3749 136 62 74 54.4% TECNET
AS4449 91 19 72 79.1% ASN-GALSTAR
AS705 215 145 70 32.6% ALTERNET-AS
AS4200 172 105 67 39.0% AGIS (Apex Global Information Ser
AS577 234 173 61 26.1% Bell Canada Backbone
AS816 249 190 59 23.7% UUNET Canada (ASN-UUNETCA-AS4)
AS4740 347 289 58 16.7% Ozemail Pty Ltd (ASN-OZEMAIL)
AS209 341 287 54 15.8% Qwest Communications
AS684 92 46 46 50.0% Manitoba Regional Network Backbon
AS9304 64 19 45 70.3% Hutchcity
AS701 973 932 41 4.2% Alternet
AS1 520 479 41 7.9% GTE Internetworking
AS6528 45 7 38 84.4% WORLD-LYNX
AS7029 77 40 37 48.1% ALLTELNET
AS8013 130 94 36 27.7% PSINET-CA
AS4755 105 69 36 34.3% Videsh Sanchar Nigam Ltd. India
AS11127 114 79 35 30.7% UNKNOWN
AS3737 98 65 33 33.7% PenTeleData Inc. (ASN-PTD)
AS549 193 161 32 16.6% ONet 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
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