Your IP address:
Provider:
...

For example: 18.222.108.18

/
Input
Address: 165.1.160.0
Netmask: 255.255.240.0 = 20
Inversion mask: 0.0.15.255
Binary: 10100101.00000001.10100000.00000000
Reserved: No
Result
Network: 165.1.160.0/20 (Class B)
First IP: 165.1.160.1
Last IP: 165.1.175.254
Broadcast: 165.1.175.255
Network range: 165.1.160.0 - 165.1.175.255
List of all IP addresses: 165_1_160_0-20.txt
Number of hosts: 4094
Number of IP addresses: 4096