0. The program "ipv6calc" is produced and copyright 2001-2015 by Peter Bieringer <pb (at) bieringer.de>, except
   * some codelines regarding address type resolving, which were directly copied from Linux kernel source (also GPL license)
	related files are:
	- libipv6addr.c
	- libipv6addr.h

   * code for uncompressing IPv6 addresses, which was copied from "ircd"
	related file is
	- librfc1884.c

   * code for getopt (needed by OpenBSD)
	related files are:
	- getopt/getopt.c
	- getopt/getopt.h
	- getopt/getopt1.c

   * external databases fallback code (header files only)
	IP2Location (7.0.1): LGPL version 3
	GeoIP (1.4.8): LGPL version 2.1

   -> see directory "samplecode" in the source file for original versions

   * source data of databases
	IAB/OUI data is taken from IEEE
	IPv4/IPv6 assignment data is taken from registries RIPE NCC, APNIC, ARIN, LACNIC, AfriNIC

1. The program "ipv6calc" is distributed under the GNU GPL version 2
    (see COPYING file for more)


2015-05-07, Peter Bieringer <pb@bieringer.de>
