Your IP address:
Provider:
...

For example: 3.143.228.40

/
Input
Address: 161.14.64.0
Netmask: 255.255.240.0 = 20
Inversion mask: 0.0.15.255
Binary: 10100001.00001110.01000000.00000000
Reserved: No
Result
Network: 161.14.64.0/20 (Class B)
First IP: 161.14.64.1
Last IP: 161.14.79.254
Broadcast: 161.14.79.255
Network range: 161.14.64.0 - 161.14.79.255
List of all IP addresses: 161_14_64_0-20.txt
Number of hosts: 4094
Number of IP addresses: 4096