Your IP address:
Provider:
...

For example: 44.200.179.138

/
Input
Address: 13.33.3.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 00001101.00100001.00000011.00000000
Reserved: No
Result
Network: 13.33.3.0/24 (Class A)
First IP: 13.33.3.1
Last IP: 13.33.3.254
Broadcast: 13.33.3.255
Network range: 13.33.3.0 - 13.33.3.255
List of all IP addresses: 13_33_3_0-24.txt
Number of hosts: 254
Number of IP addresses: 256