/// <summary>
/// Check ip is in min to max;
/// </summary>
/// <param name="ip"></param>
/// <param name="min"></param>
/// <param name="max"></param>
/// <returns></returns>
public static bool In(this IPAddress ip, IPAddress min, IPAddress max)
{
var lip = ip.ToInt64();
var lmin = min.ToInt64();
var lMax = min.ToInt64();
return lip <= lMax && lip >= lmin;
}