Your IP address:
Provider:
...

For example: 3.231.217.209

/
Input
Address: 108.158.208.0
Netmask: 255.255.248.0 = 21
Inversion mask: 0.0.7.255
Binary: 01101100.10011110.11010000.00000000
Reserved: No
Result
Network: 108.158.208.0/21 (Class A)
First IP: 108.158.208.1
Last IP: 108.158.215.254
Broadcast: 108.158.215.255
Network range: 108.158.208.0 - 108.158.215.255
List of all IP addresses: 108_158_208_0-21.txt
Number of hosts: 2046
Number of IP addresses: 2048