Your IP address:
Provider:
...

For example: 3.144.36.141

/
Input
Address: 143.220.136.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 10001111.11011100.10001000.00000000
Reserved: No
Result
Network: 143.220.136.0/22 (Class B)
First IP: 143.220.136.1
Last IP: 143.220.139.254
Broadcast: 143.220.139.255
Network range: 143.220.136.0 - 143.220.139.255
List of all IP addresses: 143_220_136_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024