Your IP address:
Provider:
...

For example: 3.12.41.106

/
Input
Address: 184.32.0.0
Netmask: 255.240.0.0 = 12
Inversion mask: 0.15.255.255
Binary: 10111000.00100000.00000000.00000000
Reserved: No
Result
Network: 184.32.0.0/12 (Class B)
First IP: 184.32.0.1
Last IP: 184.47.255.254
Broadcast: 184.47.255.255
Network range: 184.32.0.0 - 184.47.255.255
Number of hosts: 1048574
Number of IP addresses: 1048576