My ans are
GRP1 : 143.178.0.0/16 - only first 16 bits are
common
GRP2 : 148.233.0.0/20
GRP3 : 148.135.0.0/17
GRP4 : 148.233.96.0/20
148.233.128.0/17
Duno right or wrong ?
Rgds,
Sam
> -----Original Message-----
> From: Stephen Skinner [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, December 19, 2000 4:17 AM
> To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: Re: Weekend Challenge - Route Aggregation
>
> GRP1 143.178.0.0 /19
> GRP2 148.233.0.0 /24
> GRP3 148.235.0.0 /17
> GRP4 148.233.110.0 /19
>
> don`t know if ti`s right but ATLEAST it`s an answer
>
> steve
>
>
>
> >From: "Chuck Larrieu" <[EMAIL PROTECTED]>
> >Reply-To: "Chuck Larrieu" <[EMAIL PROTECTED]>
> >To: "Cisco Mail List" <[EMAIL PROTECTED]>
> >Subject: Weekend Challenge - Route Aggregation
> >Date: Fri, 15 Dec 2000 19:18:30 -0800
> >
> >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?
> >
> >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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