public static function isIPv6($data, bool $includeReserved = true, bool $includePrivate = true): bool
    {
        $flag = FILTER_FLAG_IPV6
            | ((!$includeReserved) ? FILTER_FLAG_NO_RES_RANGE : 0)
            | ((!$includePrivate) ? FILTER_FLAG_NO_PRIV_RANGE : 0);