Your IP address:
Provider:
...

For example: 18.118.193.232

/
Input
Address: 168.86.128.0
Netmask: 255.255.248.0 = 21
Inversion mask: 0.0.7.255
Binary: 10101000.01010110.10000000.00000000
Reserved: No
Result
Network: 168.86.128.0/21 (Class B)
First IP: 168.86.128.1
Last IP: 168.86.135.254
Broadcast: 168.86.135.255
Network range: 168.86.128.0 - 168.86.135.255
List of all IP addresses: 168_86_128_0-21.txt
Number of hosts: 2046
Number of IP addresses: 2048