Your IP address:
Provider:
...

For example: 3.133.159.224

/
Input
Address: 161.14.80.0
Netmask: 255.255.248.0 = 21
Inversion mask: 0.0.7.255
Binary: 10100001.00001110.01010000.00000000
Reserved: No
Result
Network: 161.14.80.0/21 (Class B)
First IP: 161.14.80.1
Last IP: 161.14.87.254
Broadcast: 161.14.87.255
Network range: 161.14.80.0 - 161.14.87.255
List of all IP addresses: 161_14_80_0-21.txt
Number of hosts: 2046
Number of IP addresses: 2048