Your IP address:
Provider:
...

For example: 3.17.134.216

/
Input
Address: 205.187.0.0
Netmask: 255.255.224.0 = 19
Inversion mask: 0.0.31.255
Binary: 11001101.10111011.00000000.00000000
Reserved: No
Result
Network: 205.187.0.0/19 (Class C)
First IP: 205.187.0.1
Last IP: 205.187.31.254
Broadcast: 205.187.31.255
Network range: 205.187.0.0 - 205.187.31.255
List of all IP addresses: 205_187_0_0-19.txt
Number of hosts: 8190
Number of IP addresses: 8192