public int Decimal2CIDR(IPAddress decimalMask)
        {
            if (decimalMask != null)
            {
                return(0);
            }

            return(CIDRDecimalConvertor.Decimal2CIDR(decimalMask.ToString()));
        }
 public int Decimal2CIDR(string decimalMask)
 {
     return(CIDRDecimalConvertor.Decimal2CIDR(decimalMask));
 }