Your IP address:
Provider:
...

For example: 34.204.177.148

/
Input
Address: 3.5.73.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 00000011.00000101.01001001.00000000
Reserved: No
Result
Network: 3.5.73.0/24 (Class A)
First IP: 3.5.73.1
Last IP: 3.5.73.254
Broadcast: 3.5.73.255
Network range: 3.5.73.0 - 3.5.73.255
List of all IP addresses: 3_5_73_0-24.txt
Number of hosts: 254
Number of IP addresses: 256