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On Mon, Jul 22, 2019 at 4:31 PM Scott Weeks <surfer at mauigateway.com> wrote:

>
>
>
> On Mon, Jul 22, 2019 at 4:02 PM Jerry Cloe <jerry at jtcloe.net> wrote:
>
> > There's already widespread use (abuse ?) of DOD /8's.
> > T-Mobile commonly assigns 26/8 space (and others) to
> > customers and nat's it.
>
>
> --- cb.list6 at gmail.com wrote:
> From: Ca By <cb.list6 at gmail.com>
>
> My understanding is that is not currently commonly the
> case
>
>
> https://www.worldipv6launch.org/apps/ipv6week/measurement/images/graphs/T-MobileUSA.png
> ---------------------------------------------------
>
>
> Did they renumber (IPv4) out of that space?  Or are they
> just not continuing to expand into it?
>
> scott


They stopped using ipv4 assigned for handsets for most cases with 464xlat

https://www.internetsociety.org/resources/deploy360/2014/case-study-t-mobile-us-goes-ipv6-only-using-464xlat/


BT did similar

https://www.ipv6.org.uk/wp-content/uploads/2018/11/Nick-Heatley_BT_EE_Update_UKv6Council_201801207.pdf

And Telstra

https://blog.apnic.net/2017/01/13/telstras-five-year-mobile-ipv6-plan-becomes-reality/

And SK

https://blog.apnic.net/2019/06/03/ipv6-deployment-and-challenges-at-sk-telecom/


And Rogers, Telus, and others





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