>Just sitting around eating some chicken, catching up on my e-mail. I see in
>the Tony Bates CIDR report to the NANOG list there is a reference to
>"interesting aggregations".
>
>http://www.employees.org/~tbates/cidr-report.html#Aggs
>
>Thought some excerpts might make an interesting challenge. To whit, come up
>with the appropriate summarization for the following routes that currently
>appear in the "global internet BGP table"
>
>These are things that caught my eye while browsing the report. I have not
>tried to summarize them myself as yet.
>
>How about it? Take a stab and publish your results? Have some fun?
And a counterchallenge -- anyone want to take a stab and suggest why
certain of these might be being advertised as less-than-optimal
aggregations, for quite good reasons?
Note -- I have not researched whether these are or are not good
aggregations. But where might I look? What is the single most
important additional piece of information about each of these groups?
>
>Group 1
>143.178.0.0/19
>143.178.64.0/19
>143.178.128.0/19
>143.178.140.0/24
>
>Group 2
>148.233.0.0/21
>148.233.1.0/24
>148.233.2.0/24
>148.233.6.0/24
>148.233.8.0/21
>
>Group 3
>148.235.0.0/17
>148.235.2.0/24
>148.235.4.0/23
>148.235.6.0/24
>148.235.8.0/21
>
>Group 4 - the Big Challenge
>148.223.112.0/21
>148.223.120.0/22
>148.223.124.0/24
>148.223.128.0/17
>148.223.128.0/20
>148.223.151.0/24
>148.223.160.0/24
>148.223.176.0/20
>148.223.177.0/24
>148.223.178.0/24
>148.223.192.0/19
>148.223.224.0/23
>148.223.226.0/24
>148.223.249.0/24
>148.223.250.0/24
>148.233.110.0/24
>148.233.112.0/20
>148.233.113.0/24
>148.233.116.0/22
>148.233.120.0/21
>148.233.122.0/24
>148.233.128.0/21
>148.233.128.0/24
>148.233.130.0/24
>148.233.137.0/24
>148.233.140.0/22
>148.233.140.0/24
>148.233.155.0/24
>148.233.156.0/22
>148.233.160.0/20
>148.233.160.0/21
>148.233.164.0/24
>148.233.165.0/24
>148.233.168.0/22
>148.233.175.0/24
>148.233.176.0/20
>
>One way to determine how well we understand aggregation / supernetting /
>CIDR :->
>
>Chuck
>----------------------
>I am Locutus, a CCIE Lab Proctor. Xx_Brain_dumps_xX are futile. Your life as
>it has been is over ( if you hope to pass ) From this time forward, you will
>study US!
>( apologies to the folks at Star Trek TNG )
>
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