string[]|string $ips A specific IP address or a range specified using IP/netmask like 192.168.1.0/24: Strings can contain a comma-delimited list of IPs/ranges
public function __construct(array|string $ips) { $this->ips = array_reduce((array) $ips, static fn(array $ips, string $ip) => array_merge($ips, preg_split('/\\s*,\\s*/', $ip)), []); }