Your IP address:
Provider:
...

For example: 13.58.121.131

/
Input
Address: 68.64.11.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 01000100.01000000.00001011.00000000
Reserved: No
Result
Network: 68.64.11.0/24 (Class A)
First IP: 68.64.11.1
Last IP: 68.64.11.254
Broadcast: 68.64.11.255
Network range: 68.64.11.0 - 68.64.11.255
List of all IP addresses: 68_64_11_0-24.txt
Number of hosts: 254
Number of IP addresses: 256