Your IP address:
Provider:
...

For example: 18.221.53.5

/
Input
Address: 69.72.40.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 01000101.01001000.00101000.00000000
Reserved: No
Result
Network: 69.72.40.0/24 (Class A)
First IP: 69.72.40.1
Last IP: 69.72.40.254
Broadcast: 69.72.40.255
Network range: 69.72.40.0 - 69.72.40.255
List of all IP addresses: 69_72_40_0-24.txt
Number of hosts: 254
Number of IP addresses: 256