Your IP address:
Provider:
...

For example: 3.139.82.23

/
Input
Address: 203.27.226.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 11001011.00011011.11100010.00000000
Reserved: No
Result
Network: 203.27.226.0/23 (Class C)
First IP: 203.27.226.1
Last IP: 203.27.227.254
Broadcast: 203.27.227.255
Network range: 203.27.226.0 - 203.27.227.255
List of all IP addresses: 203_27_226_0-23.txt
Number of hosts: 510
Number of IP addresses: 512