A desktop application to use on Microsoft Windows systems. It count IP addresses by knowing broadcast address and host IP address.
To use this application you have to download Java. If you will realize that some mistakes are present, please, remind me. Application is written in Java SE 8, it uses Swing library.
Input: host IP address, subnet mask. Output: network IP address, broadcast address, first host IP address, last host IP address, how many hosts can be at network, binary operations.
You can save and open operations and other datas to file with .ipcalc extension, also You can see a content of file using any text editor. You can download this program from sourceforge.org.