Your IP address:
Provider:
...

For example: 3.145.156.250

/
Input
Address: 208.212.23.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 11010000.11010100.00010111.00000000
Reserved: No
Result
Network: 208.212.23.0/24 (Class C)
First IP: 208.212.23.1
Last IP: 208.212.23.254
Broadcast: 208.212.23.255
Network range: 208.212.23.0 - 208.212.23.255
List of all IP addresses: 208_212_23_0-24.txt
Number of hosts: 254
Number of IP addresses: 256