Your IP address:
Provider:
...

For example: 3.142.197.212

/
Input
Address: 204.236.192.0
Netmask: 255.255.192.0 = 18
Inversion mask: 0.0.63.255
Binary: 11001100.11101100.11000000.00000000
Reserved: No
Result
Network: 204.236.192.0/18 (Class C)
First IP: 204.236.192.1
Last IP: 204.236.255.254
Broadcast: 204.236.255.255
Network range: 204.236.192.0 - 204.236.255.255
List of all IP addresses: 204_236_192_0-18.txt
Number of hosts: 16382
Number of IP addresses: 16384