> Take a look at
> e.g. http://www.vix.at/vix_participants.html?&no_cache=1&L=1, the
> column "IPv6 Routeserver activated".
>
> I presume it wouldn't be useful to have that configured, unless there
> is deployment in these ASNs.

with all due respect, wilfred.  iij has had a backbone configiured for
ipv6 since 1997.  but that is anecdote not data.