Your IP address:
Provider:
...

For example: 18.191.211.66

/
Input
Address: 204.45.0.0
Netmask: 255.255.0.0 = 16
Inversion mask: 0.0.255.255
Binary: 11001100.00101101.00000000.00000000
Reserved: No
Result
Network: 204.45.0.0/16 (Class C)
First IP: 204.45.0.1
Last IP: 204.45.255.254
Broadcast: 204.45.255.255
Network range: 204.45.0.0 - 204.45.255.255
List of all IP addresses: 204_45_0_0-16.txt
Number of hosts: 65534
Number of IP addresses: 65536