Your IP address:
Provider:
...

For example: 54.174.225.82

/
Input
Address: 13.33.77.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 00001101.00100001.01001101.00000000
Reserved: No
Result
Network: 13.33.77.0/24 (Class A)
First IP: 13.33.77.1
Last IP: 13.33.77.254
Broadcast: 13.33.77.255
Network range: 13.33.77.0 - 13.33.77.255
List of all IP addresses: 13_33_77_0-24.txt
Number of hosts: 254
Number of IP addresses: 256