public IPv4SubnetRange(string cidrNotation)
{
var networkAddress = IPAddress.Parse(cidrNotation.Split('\\', '/')[0].Trim());
int cidr = int.Parse(cidrNotation.Split('\\', '/')[1].Trim());
var subnetMask = IPv4TypeConverter.ConvertCidrToSubnetMask(cidr);
CalculateAndSetValues(networkAddress, subnetMask);
}
private void CalculateAndSetValues(IPAddress networkAddress, IPAddress subnetMask)
{
_networkAddress = networkAddress;
_subnetMask = subnetMask;
_cidr = IPv4TypeConverter.ConvertSubnetMaskToCidr(subnetMask);
var networkAddressInt = networkAddress.ToLong();
var subnetMaskInt = subnetMask.ToLong();
// bxor 1s, inverts only the last 24 bits as opposed to ~ which inverts all the bits in an Int64.
var invertedSubnetMaskInt = subnetMaskInt ^ IPAddress.Broadcast.ToLong();
var broadcastAddressInt = networkAddressInt + invertedSubnetMaskInt;
BroadcastAddress = IPv4TypeConverter.ConvertNumberToIPv4(broadcastAddressInt);
StartRange = IPv4TypeConverter.ConvertNumberToIPv4(networkAddressInt + 1);
EndRange = IPv4TypeConverter.ConvertNumberToIPv4(broadcastAddressInt - 1);
RangeSize = broadcastAddressInt - networkAddressInt;
}
public IPv4SubnetRange(IPAddress networkAddress, int cidr)
{
var subnetMask = IPv4TypeConverter.ConvertCidrToSubnetMask(cidr);
CalculateAndSetValues(networkAddress, subnetMask);
}
