Bluz\Validator\Rule\Ip::parseRangeUsingCidr PHP Method

    protected function parseRangeUsingCidr($input, &$range)
    {
        $input = explode('/', $input);
        $this->fillAddress($input[0], '0');
        $range['min'] = $input[0];
        $isAddressMask = strpos($input[1], '.') !== false;
        if ($isAddressMask && $this->verifyAddress($input[1])) {
            $range['mask'] = sprintf('%032b', ip2long($input[1]));
            return;
        }
        if ($isAddressMask || $input[1] < 8 || $input[1] > 30) {
            throw new ComponentException('Invalid network mask');
        }
        $range['mask'] = sprintf('%032b', ip2long(long2ip(~(pow(2, 32 - $input[1]) - 1))));
    }