Your IP address:
Provider:
...

For example: 18.191.132.194

/
Input
Address: 188.230.0.0
Netmask: 255.255.128.0 = 17
Inversion mask: 0.0.127.255
Binary: 10111100.11100110.00000000.00000000
Reserved: No
Result
Network: 188.230.0.0/17 (Class B)
First IP: 188.230.0.1
Last IP: 188.230.127.254
Broadcast: 188.230.127.255
Network range: 188.230.0.0 - 188.230.127.255
List of all IP addresses: 188_230_0_0-17.txt
Number of hosts: 32766
Number of IP addresses: 32768