Your IP address:
Provider:
...

For example: 3.133.136.117

/
Input
Address: 13.32.0.0
Netmask: 255.224.0.0 = 11
Inversion mask: 0.31.255.255
Binary: 00001101.00100000.00000000.00000000
Reserved: No
Result
Network: 13.32.0.0/11 (Class A)
First IP: 13.32.0.1
Last IP: 13.63.255.254
Broadcast: 13.63.255.255
Network range: 13.32.0.0 - 13.63.255.255
Number of hosts: 2097150
Number of IP addresses: 2097152