Your IP address:
Provider:
...

For example: 216.73.217.125

/
Input
Address: 161.69.208.0
Netmask: 255.255.240.0 = 20
Inversion mask: 0.0.15.255
Binary: 10100001.01000101.11010000.00000000
Reserved: No
Result
Network: 161.69.208.0/20 (Class B)
First IP: 161.69.208.1
Last IP: 161.69.223.254
Broadcast: 161.69.223.255
Network range: 161.69.208.0 - 161.69.223.255
List of all IP addresses: 161_69_208_0-20.txt
Number of hosts: 4094
Number of IP addresses: 4096