Your IP address:
Provider:
...

For example: 3.145.69.255

/
Input
Address: 140.233.144.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 10001100.11101001.10010000.00000000
Reserved: No
Result
Network: 140.233.144.0/22 (Class B)
First IP: 140.233.144.1
Last IP: 140.233.147.254
Broadcast: 140.233.147.255
Network range: 140.233.144.0 - 140.233.147.255
List of all IP addresses: 140_233_144_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024