#!/usr/bin/perl

use IO::Socket;

($addr, $min, $max) = @ARGV;
$taddr = inet_aton($addr);
$output = "OpenPorts.txt";
$time = localtime time;
open (LIST, ">>$output");
print "Scanning $addr starting from port $min and ending at port $max.\n";
print LIST "Scanning $addr, starting from port $min and ending at port $max.\n";
print "Scan commencing at $time.\n";
print LIST "Scan commencing at $time.\n";
print "Port\t\tStatus\n";
print LIST "Port\t\tStatus\n";
for($i = $min; $i <= $max; $i++){
	$sock = IO::Socket::INET->new(PeerAddr => "$taddr",
							PeerPort => "$i",
							Proto => 'tcp');
	if ($sock){
		print "$i\t\tOpen\n";
		print LIST "$i\t\tOpen\n";
		close $sock;
		}
}
$endtime = localtime time;
print "Scan finished at $endtime.";
print LIST "Scan finished at $endtime.\n\n";
close(LIST);