Private use of non-RFC1918 IP space

Andre Sencioles Vitorio Oliveira asenci at gmail.com
Mon Feb 2 12:15:06 CST 2009


What about this?

Genius from company A chooses public IP block A.
Genius from company B chooses public IP block A.

Genius collision detected...


On Feb 2, 2009, at 4:06 PM, sthaug at nethelp.no wrote:
> Company A uses public IP block A internally. Company B uses public IP
> block B internally. Company A and B later merge, and connect their
> networks. No conflict, no renumbering needed (at least not right  
> away).
>
> Compare this with company A and B both using overlapping part of for
> instance 192.168.0.0/16, and then merging. Conflict ensues,  
> renumbering
> or NATs required in order to connect the networks.
>
> Steinar Haug, Nethelp consulting, sthaug at nethelp.no

Andre Sencioles Vitorio Oliveira
asenci at gmail.com







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