private static function getEndIp()
{
fseek(self::$fp, self::$EndIpOff, SEEK_SET);
$buf = fread(self::$fp, 5);
self::$EndIp = ord($buf[0]) + ord($buf[1]) * 256 + ord($buf[2]) * 256 * 256 + ord($buf[3]) * 256 * 256 * 256;
self::$CountryFlag = ord($buf[4]);
return self::$EndIp;
}
