[ppml] 240/4

[Paul Vixie]

> > i don't think so.  the folks who find 10/8 inadequate want a LOT LOT LOT
> > more, not just a little more.
> 
> In that case, why don't they adopt v6 and be done with it ?

do we want to be prescriptive in that way, or responsive?  if someone wants
to build a big private ipv4 network and can hack their devices to run 240/4
and that space is otherwise useless, should we say "no, use ipv6 instead"?