Calculate network address, broadcast, host range, netmask, wildcard mask, and usable hosts from CIDR notation.
Examples: 10.0.0.0/8, 172.16.0.0/16, 192.168.1.0/24
Network address: 192.168.1.0
Broadcast: 192.168.1.255
First host: 192.168.1.1
Last host: 192.168.1.254
Netmask: 255.255.255.0
Wildcard: 0.0.0.255
Total addresses: 256
Usable hosts: 254