Your IP address:
Provider:
...

For example: 216.73.216.99

/
Input
Address: 208.81.220.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 11010000.01010001.11011100.00000000
Reserved: No
Result
Network: 208.81.220.0/22 (Class C)
First IP: 208.81.220.1
Last IP: 208.81.223.254
Broadcast: 208.81.223.255
Network range: 208.81.220.0 - 208.81.223.255
List of all IP addresses: 208_81_220_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024