nanog mailing list archives

Re: Minimum IPv6 size


From: Leo Vegoda <leo.vegoda () icann org>
Date: Sat, 3 Oct 2009 03:01:42 -0700

On Oct 3, 2009, at 1:28 AM, "James Aldridge" <jhma () 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.

Regards,

Leo


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