Your IP address:
Provider:
...

For example: 54.174.225.82

/
Input
Address: 3.5.9.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 00000011.00000101.00001001.00000000
Reserved: No
Result
Network: 3.5.9.0/24 (Class A)
First IP: 3.5.9.1
Last IP: 3.5.9.254
Broadcast: 3.5.9.255
Network range: 3.5.9.0 - 3.5.9.255
List of all IP addresses: 3_5_9_0-24.txt
Number of hosts: 254
Number of IP addresses: 256