Private use of non-RFC1918 IP space

Bruce Grobler bruce at yoafrica.com
Mon Feb 2 10:10:30 CST 2009


Most ISP's, if not all, null route 1.0.0.0/8 therefore you shouldn't
encounter any problems using it in a private network.


-----Original Message-----
From: Michael Butler [mailto:imb at protected-networks.net] 
Sent: Monday, February 02, 2009 5:59 PM
To: trey at kingfisherops.com
Cc: nanog at nanog.org
Subject: Re: Private use of non-RFC1918 IP space

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (FreeBSD)

iEYEARECAAYFAkmHGCgACgkQQv9rrgRC1JLWrACfTxrfxz/6DFCCByldBqMv/MjL
ssYAn3Se0GRA+s3Szn9dMUN8c7AlQzj/
=FZWG
-----END PGP SIGNATURE-----





More information about the NANOG mailing list