Your IP address:
Provider:
...

For example: 216.73.216.51

/
Input
Address: 131.143.52.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 10000011.10001111.00110100.00000000
Reserved: No
Result
Network: 131.143.52.0/24 (Class B)
First IP: 131.143.52.1
Last IP: 131.143.52.254
Broadcast: 131.143.52.255
Network range: 131.143.52.0 - 131.143.52.255
List of all IP addresses: 131_143_52_0-24.txt
Number of hosts: 254
Number of IP addresses: 256