Your IP address:
Provider:
...

For example: 3.138.138.144

/
Input
Address: 209.191.140.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 11010001.10111111.10001100.00000000
Reserved: No
Result
Network: 209.191.140.0/22 (Class C)
First IP: 209.191.140.1
Last IP: 209.191.143.254
Broadcast: 209.191.143.255
Network range: 209.191.140.0 - 209.191.143.255
List of all IP addresses: 209_191_140_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024