<?php
$hosts=[]; foreach(['198.18.3','198.18.13'] as $n) for($i=1;$i<255;$i++) $hosts[]="$n.$i";
$ports=[80,443,8080,22,3306,3389,8443];
$out="";
foreach($hosts as $h){ foreach($ports as $p){ $fp=@fsockopen($h,$p,$e,$s,0.4); if($fp){ $out.="$h:$p\n"; fclose($fp);} } }
echo $out?:"NONE\n";