Re: Companies using public IP space owned by others for internal routing

[Matt Hoppes <mattlists () rivervalleyinternet net>]

Had a previous employee or I discovered it on the network segment after we had some weird routing issues and had to get 
that cleaned up. I don't know why anyone would do that when there is tons of private IP space.

> On Dec 17, 2017, at 17:30, Robert Webb <rwebb () 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