perl-Net-IPv6Addr: perl-Net-IPv6Addr (check validity of IPv6 addresses) perl-Net-IPv6Addr: perl-Net-IPv6Addr: Net::IPv6Addr checks strings for valid IPv6 addresses, as specified in perl-Net-IPv6Addr: RFC1884. You throw possible addresses at it, it either accepts them or perl-Net-IPv6Addr: throws an exception. perl-Net-IPv6Addr: perl-Net-IPv6Addr: perl-Net-IPv6Addr: perl-Net-IPv6Addr: perl-Net-IPv6Addr: perl-Net-IPv6Addr: