Your IP address:
Provider:
...

For example: 34.237.75.165

/
Input
Address: 13.56.0.0
Netmask: 255.255.0.0 = 16
Inversion mask: 0.0.255.255
Binary: 00001101.00111000.00000000.00000000
Reserved: No
Result
Network: 13.56.0.0/16 (Class A)
First IP: 13.56.0.1
Last IP: 13.56.255.254
Broadcast: 13.56.255.255
Network range: 13.56.0.0 - 13.56.255.255
List of all IP addresses: 13_56_0_0-16.txt
Number of hosts: 65534
Number of IP addresses: 65536