/**
* @return Network
*/
public function getSpanNetwork()
{
$xorIP = IP::parseInAddr($this->getFirstIP()->inAddr() ^ $this->getLastIP()->inAddr());
preg_match('/^(0*)/', $xorIP->toBin(), $match);
$prefixLength = strlen($match[1]);
$ip = IP::parseBin(str_pad(substr($this->getFirstIP()->toBin(), 0, $prefixLength), $xorIP->getMaxPrefixLength(), '0'));
return new Network($ip, Network::prefix2netmask($prefixLength, $ip->getVersion()));
}
/**
* @return IP
*/
public function getLastHost()
{
$broadcast = $this->getBroadcast();
if ($broadcast->getVersion() === IP::IP_V4) {
if ($this->getBlockSize() > 2) {
return IP::parseBin(substr($broadcast->toBin(), 0, $broadcast->getMaxPrefixLength() - 1) . '0');
}
}
return $broadcast;
}
/**
* @return Range
*/
public function getHosts()
{
$firstHost = $this->getNetwork();
$lastHost = $this->getBroadcast();
if ($this->ip->getVersion() === IP::IP_V4) {
if ($this->getBlockSize() > 2) {
$firstHost = IP::parseBin(substr($firstHost->toBin(), 0, $firstHost->getMaxPrefixLength() - 1) . '1');
$lastHost = IP::parseBin(substr($lastHost->toBin(), 0, $lastHost->getMaxPrefixLength() - 1) . '0');
}
}
return new Range($firstHost, $lastHost);
}
