Your IP address:
Provider:
...

For example: 216.73.216.57

/
Input
Address: 204.16.216.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 11001100.00010000.11011000.00000000
Reserved: No
Result
Network: 204.16.216.0/22 (Class C)
First IP: 204.16.216.1
Last IP: 204.16.219.254
Broadcast: 204.16.219.255
Network range: 204.16.216.0 - 204.16.219.255
List of all IP addresses: 204_16_216_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024