Linux & IPv6: Tools
Version: 1.18 from 2002-02-27
Copyright 1997-2002 by Peter Bieringer <firstname.lastname@example.org>,
original site of publishing: http://www.bieringer.de/linux/IPv6/
Unlimited non-commercial distribution of this document in its entirety
is encouraged - please contact the author prior to commercial publication.
Suggestions, comments and improvements are welcome!
"ipv6calc" got now its own homepage.
Reverse DNS Resolving Tool (historic
now, see ipv6calc for more)
IPv6 addresses for DNS reverse lookup with nslookup are long and
can be full of mistakes.
Here is a small Perl program, called ip6_int,
written by Keith Owens <email@example.com>
nslookup treats IPv4 addresses (a.b.c.d) as a special case and
This Perl program is now historic, see ipv6calc
for more and use it like shown:
internally converts them to d.c.b.a.in-addr.arpa. Alas it
does not do
the same thing for IPv6 addresses. Try the perl script below,
under GPL. nslookup -type=any `ip6_int 3ffe:400::/24` yields
# nslookup -q=ANY `ipv6calc -r 3ffe:400:100:f101::1/48`
Your connection is via:
Your address: 188.8.131.52
is maintained by
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