North American Network Operators Group

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Re: [nanog] Re: Someones being naughty again...

  • From: S.T.Balbach
  • Date: Sat Mar 14 10:36:23 1998

On Sat, 14 Mar 1998, Marc Slemko wrote:

> On Sat, 14 Mar 1998, Blake Willis wrote:
> > IMHO, the decision to use private IP space for hosts/routers/interfaces in
> > a network is really a matter of necessity or security.  I am familiar with
> > a few corporate networks with nationwide WANs (as well as a major ISP or
> > two) that use and other private networks for all their backbone
> > equipment, simply because they lack the public address space to do
> > otherwise.  Others do it for the very reason that their equipment is
> > unreachable from the outside world.  Whatever the reason, as long as you
> > keep it within your own AS and don't announce or listen to it from
> > anywhere else, there is nothing wrong with setting a network up this way.
> No.  The assumption that life is as simple as that is the biggest
> problem with most uses of private IP space.

Another problem is mergers. If you ever merge with another company, hope
they dont use the same private IP space.