[7293] in North American Network Operators' Group
Re: IP Filtering / CIDR Block Size / SprintLink
daemon@ATHENA.MIT.EDU (Lee Howard)
Mon Jan 27 16:40:13 1997
Date: Mon, 27 Jan 1997 16:21:12 -0500 (EST)
From: Lee Howard <spiff@access.digex.net>
To: McLeodUSA <eyes@mcleod.net>
cc: nanog@merit.edu
In-Reply-To: <3.0.32.19970127111824.006e25ec@email.mcleod.net>
On Mon, 27 Jan 1997, McLeodUSA wrote:
> Who, in addition to SprintLink, is currently implementing IP
> filtering based on CIDR block size (/19)? And where can I go
> to learn more about this issue?
>
> I've read the "Q&A conducted by Christy Hudgins-Bonafield with
> Alecia Cooper, group manager SprintLink product management." at
> http://techweb.cmp.com/nc/online/sprint.html but couldn't seem
> to find much on what other carriers are doing.
>
> Thanks.
>
> Tim Nemec
> McLeodUSA
> __________________________________________________________________
>
AGIS published their route filter criteria:
http://agisgate.agis.net/tsld002.htm
Essentially, they will filter on /19 in the 206+.
They will filter on /24 for the 192-205 range.
Everything else (0-191) will be filtered in the /16.
Lee
