Your IP address:
Provider:
...

For example: 216.73.216.140

/
Input
Address: 54.210.0.0
Netmask: 255.255.0.0 = 16
Inversion mask: 0.0.255.255
Binary: 00110110.11010010.00000000.00000000
Reserved: No
Result
Network: 54.210.0.0/16 (Class A)
First IP: 54.210.0.1
Last IP: 54.210.255.254
Broadcast: 54.210.255.255
Network range: 54.210.0.0 - 54.210.255.255
List of all IP addresses:
Number of hosts: 65534
Number of IP addresses: 65536