[arin-ppml] Policy Proposal: Dedicated IPv4 block to facilitate IPv6 deployment

> > I would suggest that this policy could be improved by instead focusing
> > it's resource requirement on utilizing those fragments.
> >
> > -M<
> 
> Marty, I agree with you but the common argument against using those small
> non-contiguous blocks is that they won't be from a recognizable range that
> can be used in filters.
> 
> ----CJ

last time i asked routing people about it, prefix length filters were passe.

but even if not, is routeability a reasonable consideration for arin policy?
(if arin starts allocating these, it'd just end up killing whatever prefix
length filters still exist, if any.)