IPv4 Subnet Calculator
Calculate network, broadcast, mask, and address count for an IPv4 CIDR block.
Result
Run the tool to see its result here.
How to use this tool
Enter address/prefix, such as 192.0.2.4/24. Treat /31 and /32 host rules according to your network.
When not to use it
The address count includes every address; it is not automatically the number of usable hosts.