Your IP address:
Provider:
...

For example: 3.135.183.187

/
Input
Address: 108.138.64.0
Netmask: 255.255.240.0 = 20
Inversion mask: 0.0.15.255
Binary: 01101100.10001010.01000000.00000000
Reserved: No
Result
Network: 108.138.64.0/20 (Class A)
First IP: 108.138.64.1
Last IP: 108.138.79.254
Broadcast: 108.138.79.255
Network range: 108.138.64.0 - 108.138.79.255
List of all IP addresses: 108_138_64_0-20.txt
Number of hosts: 4094
Number of IP addresses: 4096