Question

Possible Duplicates:
.NET Equivalant for INET_NTOA and INET_ATON
How to convert an IPv4 address into a integer in C#?

How do I perform the same unix function inet_aton in c#?

Answer 1

public int ToInteger(int A, int B, int C, int D)
{
    return Convert.ToInt32((A* Math.Pow(256, 3)) + (B* Math.Pow(256, 2)) + (C* 256) + D);
}

or http://msdn.microsoft.com/en-us/library/system.net.ipaddress.parse.aspx

you can extend your own IP class like I did.