Your IP address:
Provider:
...

For example: 18.222.118.159

/
Input
Address: 69.81.0.0
Netmask: 255.255.0.0 = 16
Inversion mask: 0.0.255.255
Binary: 01000101.01010001.00000000.00000000
Reserved: No
Result
Network: 69.81.0.0/16 (Class A)
First IP: 69.81.0.1
Last IP: 69.81.255.254
Broadcast: 69.81.255.255
Network range: 69.81.0.0 - 69.81.255.255
List of all IP addresses: 69_81_0_0-16.txt
Number of hosts: 65534
Number of IP addresses: 65536