Companies using public IP space owned by others for internal routing

Harald Koch chk at
Sun Dec 17 23:23:23 CST 2017

On 17 December 2017 at 17:57, James Downs <egon at> wrote:

> Unless there isn't.. I've worked at more than one company that had used up
> all the private space. Then you have the cases where some M&A causes
> overlapping IP space.

Or places like Ontario, where the government runs a registry service for
net 10/8 because we're all interconnecting our private networks over VPNs
and there were too many NATs.


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