Your IP address:
Provider:
...

For example: 3.149.250.1

/
Input
Address: 13.33.188.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 00001101.00100001.10111100.00000000
Reserved: No
Result
Network: 13.33.188.0/22 (Class A)
First IP: 13.33.188.1
Last IP: 13.33.191.254
Broadcast: 13.33.191.255
Network range: 13.33.188.0 - 13.33.191.255
List of all IP addresses: 13_33_188_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024