Your IP address:
Provider:
...

For example: 216.73.216.57

/
Input
Address: 205.184.128.0
Netmask: 255.255.128.0 = 17
Inversion mask: 0.0.127.255
Binary: 11001101.10111000.10000000.00000000
Reserved: No
Result
Network: 205.184.128.0/17 (Class C)
First IP: 205.184.128.1
Last IP: 205.184.255.254
Broadcast: 205.184.255.255
Network range: 205.184.128.0 - 205.184.255.255
List of all IP addresses: 205_184_128_0-17.txt
Number of hosts: 32766
Number of IP addresses: 32768