Your IP address:
Provider:
...

For example: 216.73.216.57

/
Input
Address: 199.231.65.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 11000111.11100111.01000001.00000000
Reserved: No
Result
Network: 199.231.65.0/24 (Class C)
First IP: 199.231.65.1
Last IP: 199.231.65.254
Broadcast: 199.231.65.255
Network range: 199.231.65.0 - 199.231.65.255
List of all IP addresses: 199_231_65_0-24.txt
Number of hosts: 254
Number of IP addresses: 256