Install libnet-ipv6addr-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libnet-ipv6addr-perl
Description:
Check validity of IPv6 addresses
Net::IPv6Addr checks strings for valid IPv6 addresses, as specified in RFC1884. You throw possible addresses at it, it either accepts them or throws an exception.
Homepage: http://search.cpan.org/~tmonroe/Net-IPv6Addr/
Version: 0.2.dfsg.1-3
Section: universe/perl