Private use of non-RFC1918 IP space

Michael Butler imb at protected-networks.net
Mon Feb 2 09:58:32 CST 2009


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Trey Darley wrote:
> 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. 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.

This is a *VERY BAD IDEA* - why not take the hit now rather than
exponentiate the problem and, in so doing, make it nearly impossible to
reverse later?

	Michael
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