[111249] in North American Network Operators' Group

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RE: Private use of non-RFC1918 IP space

daemon@ATHENA.MIT.EDU (Soucy, Ray)
Mon Feb 2 13:53:44 2009

Date: Mon, 2 Feb 2009 13:50:20 -0500
In-Reply-To: <55945.192.101.252.156.1233589709.squirrel@kingfisherops.com>
From: "Soucy, Ray" <rays@maine.edu>
To: <trey@kingfisherops.com>, <nanog@nanog.org>
X-MailScanner-From: rays@maine.edu
Errors-To: nanog-bounces@nanog.org

> Some colleagues and I are running into a bit of a problem. We've been
> using RFC 1918 Class A space but due to the way subnets have been
> allocated we are pondering the use of public IP space.=20

What you are suggesting is unacceptable.  You need to allocate your
private space more efficiently.  It should be enough for anyone.

> As the network in
> question is strictly closed I don't anticipate any problems with this
as
> the addresses would be unambiguous within our environment. I'm curious
if
> anyone else is doing this.

No.  Nobody else is doing this.  You should never make use of address
space that has not been assigned to you (either through a regional
authority or an RFC) for use, regardless of how closed you think your
network is.

> I'd be very interested in corresponding off-list with anyone who's in
a
> similar position.

I think you need to post a new request asking for help on how to
efficiently allocate RFC 1918 space.

>From your website it looks like you're a consultant... If you're acting
as a consultant for someone please do not violate the RFCs, they exist
for a reason.  Ultimately you're creating a nightmare for the person who
comes next and is tasked to clean your mess.


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