Minimum IPv6 size

Sat Oct 3 12:58:21 UTC 2009

--On 3 October 2009 03:01:42 -0700 Leo Vegoda <leo.vegoda at icann.org> wrote:
> On Oct 3, 2009, at 1:28 AM, "James Aldridge" <jhma at mcvax.org> wrote:
>> It might be worth relaxing filtering within 2001::/16.  The RIPE NCC
>> appears to be making /48 PI assignments from within 2001:678::/29
>> (e.g. the
>> RIPE Meeting next week will be using 2001:67c:64::/48)
>
> Why the whole /16 rather than just that /29 and a few other blocks set
> aside for /48s? There are a lot of /48s in a /16, so protecting
> against someone accidentally deaggregating their allocated /32 into /
> 48s seems legitimate.

Indeed.  By "within 2001::/16" I was just pointing out that, not having the 
definitive list, there were some blocks "within 2001::/16" which require a 
longer prefix.

James