Simple IP Calculator

Could you add a total number of hosts?

Address: 10.2.2.3
Netmask: 255.255.240.0 = 20
Wildcard: 0.0.15.255
Network: 10.2.0.0/20
HostMin: 10.2.0.1
HostMax: 10.2.15.254
Broadcast: 10.2.15.255
>>>> Hosts: 4096