On 12/10/2012 01:27 PM, Schiller, Heather A wrote: > I think most folks would agree that, IPv4 /32 :: IPv6 /128 as IPv4 /29 :: > IPv6 /64
Quite the opposite in fact. In IPv6 a /64 is roughly equivalent to a /32 in IPv4. As in, it's the smallest possible assignment that will allow an end-user host to function under normal circumstances. SWIP or rwhois for a /64 seems excessive to me, FWIW. Doug