Your IP address:
Provider:
...

For example: 216.73.216.57

/
Input
Address: 217.22.28.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 11011001.00010110.00011100.00000000
Reserved: No
Result
Network: 217.22.28.0/22 (Class C)
First IP: 217.22.28.1
Last IP: 217.22.31.254
Broadcast: 217.22.31.255
Network range: 217.22.28.0 - 217.22.31.255
List of all IP addresses: 217_22_28_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024