public static string GetGatewayAddress(string ip, string mask)
{
byte fb = (byte)(IPCon.FirstByte(ip) & IPCon.FirstByte(mask));
byte sb = (byte)(IPCon.SecondByte(ip) & IPCon.SecondByte(mask));
byte tb = (byte)(IPCon.ThirdByte(ip) & IPCon.ThirdByte(mask));
byte fob = (byte)((IPCon.FourthByte(ip) & IPCon.FourthByte(mask)) + 1);
return(IPCon.BytesToIP(fb, sb, tb, fob));
}
public static string GetBroadcastAddress(string ip, string mask)
{
string nwa = GetNetworkAddress(ip, mask);
byte fb = (byte)(~(IPCon.FirstByte(mask)) | (IPCon.FirstByte(nwa)));
byte sb = (byte)(~(IPCon.SecondByte(mask)) | (IPCon.SecondByte(nwa)));
byte tb = (byte)(~(IPCon.ThirdByte(mask)) | (IPCon.ThirdByte(nwa)));
byte fob = (byte)(~(IPCon.FourthByte(mask)) | (IPCon.FourthByte(nwa)));
return(IPCon.BytesToIP(fb, sb, tb, fob));
}
public static byte[] GetBytes(string ip)
{
byte[] bytes = { IPCon.FirstByte(ip), IPCon.SecondByte(ip), IPCon.ThirdByte(ip), IPCon.FourthByte(ip) };
return(bytes);
}