On Wed, Feb 10, 2021 at 6:11 AM Bjørn Mork <bjorn@mork.no> wrote:
Ca By <cb.list6@gmail.com> writes:

> The 3 cellular networks in the usa, 100m subs each, use ipv6 to uniquely
> address customers. And in the case of ims (telephony on a celluar), it is
> ipv6-only, afaik.

I certainly agree that this is easier and makes more sense.  I just
don't buy the "can't be done" wrt using rfc1918.

Well, it is not rfc1918 that is best invoked here. 

May i point you to rfc1925 section 2.3, regarding pigs flying with sufficient thrust. IPv4 is the pig, and a steam engined fueled by dollars is the source of thrust

https://tools.ietf.org/html/rfc1925



Bjørn