Private use of non-RFC1918 IP space

sthaug at sthaug at
Mon Feb 2 17:03:57 UTC 2009

> What reason could you possibly have to use non RFC 1918 space on a
> closed network?  It's very bad practice - unfortunately I do see it done
> sometimes....

There are sometimes good reasons to do this, for instance to ensure
uniqueness in the face of mergers and acquisitions.

Steinar Haug, Nethelp consulting, sthaug at

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