How to Calculate Subnets With Microsoft Excel. IP addresses on your company network consist of three parts: the network address, the host address and the subnet mask.

If your company network is having problems and you need to troubleshoot it, you also need to know some basic information about the computers on the network. Internet Protocol is the underlying ...

Here is an example question : Class C, Five Subnets. the book states that always look in the Y column. ofcourse the closest value for 5 subnets is 6.

Is there an easy way (like via a .Net library) that allows me to get the IP address and subnet mask of the local machine that the application is running on?

IP address classes are ignored by assigning subnet masks. You might use Class A address space (10.x.x.x) and use the Class C subnet mask (255.255.255.0) to manage those addresses.