Private use of non-RFC1918 IP space

Johnny Eriksson bygg at
Mon Feb 2 19:22:39 UTC 2009

"Paul Stewart" <pstewart at> wrote:

> 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....

Really really LARGE scalability testing that needs more addresses than
RFC1918 gives you.  In a closed lab.  Yes, it is ugly.

Been there.

Sometimes ugly can not be avoided.

> Paul


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