/**
* @param IP|Network|Range $find
* @return bool
* @throws \Exception
*/
public function contains($find)
{
if ($find instanceof IP) {
$within = strcmp($find->inAddr(), $this->firstIP->inAddr()) >= 0 && strcmp($find->inAddr(), $this->lastIP->inAddr()) <= 0;
} elseif ($find instanceof Range || $find instanceof Network) {
/**
* @var Network|Range $find
*/
$within = strcmp($find->getFirstIP()->inAddr(), $this->firstIP->inAddr()) >= 0 && strcmp($find->getLastIP()->inAddr(), $this->lastIP->inAddr()) <= 0;
} else {
throw new \Exception('Invalid type');
}
return $within;
}