Your IP address:
Provider:
...

For example: 216.73.216.57

/
Input
Address: 163.123.217.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 10100011.01111011.11011001.00000000
Reserved: No
Result
Network: 163.123.217.0/24 (Class B)
First IP: 163.123.217.1
Last IP: 163.123.217.254
Broadcast: 163.123.217.255
Network range: 163.123.217.0 - 163.123.217.255
List of all IP addresses: 163_123_217_0-24.txt
Number of hosts: 254
Number of IP addresses: 256