Use Regexp::IPv6, IPv4, and/or any of several other modules available on CPAN. 

use Regexp::IPv6 qw($IPv6_re);
use IPv4;

my $address = ; # Add your address here.

if ($address =~ /^$IPv6_re$/) { 
    print "IPv6\n";
} elsif (IPv4::check_ip($address)) { 
    print "IPv4\n"; 
} else { 
    print "Neither.\n";
}

[download]

-sauoq
"My two cents aren't worth a dime.";

In reply to Re: program to differentitate IPV4 and IPV6 address by sauoq
in thread program to differentitate IPV4 and IPV6 address by snimmaka

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