Your IP address:
Provider:
...

For example: 3.22.181.81

/
Input
Address: 206.131.128.0
Netmask: 255.255.224.0 = 19
Inversion mask: 0.0.31.255
Binary: 11001110.10000011.10000000.00000000
Reserved: No
Result
Network: 206.131.128.0/19 (Class C)
First IP: 206.131.128.1
Last IP: 206.131.159.254
Broadcast: 206.131.159.255
Network range: 206.131.128.0 - 206.131.159.255
List of all IP addresses: 206_131_128_0-19.txt
Number of hosts: 8190
Number of IP addresses: 8192