v6 subnet calculator ?

[Keith Owens]

On Tue, 19 Sep 2000 21:51:44 -0700, 
matthew zeier <matthew@intelenet.net> wrote:
>I'm having a problem wrapping my mind around v6 subnetting.  Is there a
>subnet calculator online someplace?

ftp://ftp.ocs.com.au/pub/ip6_int.gz
Not a full blown calculator, just enough to handle DNS records for v6.

# ip6_int ff::1
1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.f.f.0.0.ip6.int
# ip6_int ff::1/32
0.0.0.0.f.f.0.0.ip6.int (network part)
# ip6_int ff::1/-32
1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 (host part)