Your IP address:
Provider:
...

For example: 18.117.142.248

/
Input
Address: 139.73.222.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 10001011.01001001.11011110.00000000
Reserved: No
Result
Network: 139.73.222.0/24 (Class B)
First IP: 139.73.222.1
Last IP: 139.73.222.254
Broadcast: 139.73.222.255
Network range: 139.73.222.0 - 139.73.222.255
List of all IP addresses: 139_73_222_0-24.txt
Number of hosts: 254
Number of IP addresses: 256