Companies using public IP space owned by others for internal routing

[cb.list6 at gmail.com (Ca By)]

On Sun, Dec 17, 2017 at 5:31 PM Robert Webb <rwebb at ropeguru.com> wrote:

> Will anyone comment on the practice of large enterprises using non RFC1918
> IP space that other entities are assigned by ARIN for internal routing?
>
> Just curious as to how wide spread this might be. I just heard of this
> happening with a large ISP and never really thought about it until now.
>
> Robert



To answer your question, it is not uncommon. It is bad, but you do what you
have to do when rfc1918 is tied up



>