[79826] in North American Network Operators' Group
Re: Service providers that NAT their whole network?
daemon@ATHENA.MIT.EDU (sjk)
Fri Apr 15 16:16:28 2005
In-Reply-To: <4260188C.4080104@nimcatnetworks.com>
Date: Fri, 15 Apr 2005 15:15:36 -0500 (CDT)
From: "sjk" <sjk@dredel.com>
To: "Philip Matthews" <matthews@nimcatnetworks.com>
Cc: nanog@merit.edu
Errors-To: owner-nanog@merit.edu
>
> A number of IETF documents(*) state that there are some service providers
> that place a NAT box in front of their entire network, so all their
> customers get private addresses rather than public address.
> It is often stated that these are primarily cable-based providers.
>
> I am trying to get a handle on how common this practice is.
> No one that I have asked seems to know any provider that does this,
> and a search of a few FAQs plus about an hour of Googling hasn't
> turned up anything definite (but maybe I am using the wrong keywords ...).
We nat a portion of our residentail users -- not all of our network. As I
recall our current nat pools are comprised of a /21
--sjk
