Your IP address:
Provider:
...

For example: 3.144.227.72

/
Input
Address: 166.0.86.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 10100110.00000000.01010110.00000000
Reserved: No
Result
Network: 166.0.86.0/23 (Class B)
First IP: 166.0.86.1
Last IP: 166.0.87.254
Broadcast: 166.0.87.255
Network range: 166.0.86.0 - 166.0.87.255
List of all IP addresses: 166_0_86_0-23.txt
Number of hosts: 510
Number of IP addresses: 512