Companies using public IP space owned by others for internal routing

Wed Dec 20 01:50:56 UTC 2017

> On Dec 19, 2017, at 07:39 , Livingood, Jason <Jason_Livingood at comcast.com> wrote:
> 
> On 12/18/17, 2:36 PM, "NANOG on behalf of Harald Koch" <nanog-bounces at nanog.org on behalf of chk at pobox.com> wrote:
>> They could use IPv6. I mean, if the mobile phone companies can figure it out, surely an ISP can...
> 
> Except for cases when it is impossible or impractical to update software on a great number of legacy devices…
> 
> JL
> 
> 
Yeah, in those cases, they should use IPv6 + NAT64 or similar mechanism. 

Owen