Your IP address:
Provider:
...

For example: 18.116.36.221

/
Input
Address: 99.86.57.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 01100011.01010110.00111001.00000000
Reserved: No
Result
Network: 99.86.57.0/24 (Class A)
First IP: 99.86.57.1
Last IP: 99.86.57.254
Broadcast: 99.86.57.255
Network range: 99.86.57.0 - 99.86.57.255
List of all IP addresses: 99_86_57_0-24.txt
Number of hosts: 254
Number of IP addresses: 256