Your IP address:
Provider:
...

For example: 18.221.98.71

/
Input
Address: 68.71.228.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 01000100.01000111.11100100.00000000
Reserved: No
Result
Network: 68.71.228.0/23 (Class A)
First IP: 68.71.228.1
Last IP: 68.71.229.254
Broadcast: 68.71.229.255
Network range: 68.71.228.0 - 68.71.229.255
List of all IP addresses: 68_71_228_0-23.txt
Number of hosts: 510
Number of IP addresses: 512