ipv6calc is a small utility written in programming language C to manipulate
(not only) IPv6 addresses. Intentions were converting a given IPv6 address into
compressed format, converting a given IPv6 address into the format used
by /proc/net/if_inet6 and (because it was not difficult) migrating the
Perl program ip6_int into it. Now only one utility is needed to do a lot.

This utility is also used to extend features on network-functions-ipv6 library,
used by initscripts-ipv6.

Note: this tool also has a freshmeat / ipv6calc page (not maintained by the
author)

Hint: take also a look at the Advanced Network Management Laboratory / IPv6
Address Oracle if you want to learn more about IPv6 addresses.

Authors:
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Peter Bieringer