Your IP address:
Provider:
...

For example: 13.58.244.216

/
Input
Address: 71.143.0.0
Netmask: 255.255.192.0 = 18
Inversion mask: 0.0.63.255
Binary: 01000111.10001111.00000000.00000000
Reserved: No
Result
Network: 71.143.0.0/18 (Class A)
First IP: 71.143.0.1
Last IP: 71.143.63.254
Broadcast: 71.143.63.255
Network range: 71.143.0.0 - 71.143.63.255
List of all IP addresses: 71_143_0_0-18.txt
Number of hosts: 16382
Number of IP addresses: 16384