function split_IP($subnet = 0)
{
if (isset($this->ip)) {
$divisor = pow(2, $subnet - $this->netmask);
$split_arr = array();
if ($divisor < 1) {
echo "SUBNET SPLIT IS INVALID";
exit;
}
if ($divisor > 10000) {
echo "This is very CPU intesive, you have over 10000 splits, try a smaller amounts first thanks!";
exit;
}
$add = "0";
if ($this->family == 4) {
$increment = Netblock::binary_add(str_pad("", 32 - $subnet, 1, STR_PAD_RIGHT), "1");
for ($i = 0; $i < $divisor; $i++) {
$bin = Netblock::binary_add($this->bin_network, $add);
$add = Netblock::binary_add($increment, $add);
//echo $bin." ".long2ip(bindec($bin))."/".$subnet."<br/>";
$split_arr[$i] = long2ip(bindec($bin)) . "/" . $subnet;
}
} else {
if ($this->family == 6) {
$increment = Netblock::binary_add(str_pad("", 128 - $subnet, 1, STR_PAD_RIGHT), "1");
for ($i = 0; $i < $divisor; $i++) {
$bin = Netblock::binary_add($this->bin_network, $add);
$add = Netblock::binary_add($increment, $add);
//echo $bin." ".Netblock::bin_to_ip6(($bin))."/".$subnet."<br/>";
$split_arr[$i] = Netblock::bin_to_ip6($bin) . "/" . $subnet;
}
}
}
if (!empty($split_arr)) {
$this->split = $split_arr;
return $split_arr;
} else {
echo "NOT SPLITT-ABLE";
}
}
}
