Your IP address:
Provider:
...

For example: 3.129.13.201

/
Input
Address: 13.33.45.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 00001101.00100001.00101101.00000000
Reserved: No
Result
Network: 13.33.45.0/24 (Class A)
First IP: 13.33.45.1
Last IP: 13.33.45.254
Broadcast: 13.33.45.255
Network range: 13.33.45.0 - 13.33.45.255
List of all IP addresses: 13_33_45_0-24.txt
Number of hosts: 254
Number of IP addresses: 256