Devices also have a subnet mask, which defines which part of the IP address belongs to the network and which part belongs to the device.

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.

Valid subnet address: To figure out the valid subnet address, simply subtract the subnet mask from 256. For example, if you had a Class A mask of 255.240.0.0, the equation would be 256-240=16.

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?

I think something is wrong. "What happens if you need eight subnets in your Class C network? By using the calculation of 2x ( x as exponent), where x is the number of subnet bits, you would need 3 ...