Your IP address:
Provider:
...

For example: 216.73.216.57

/
Input
Address: 208.215.248.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 11010000.11010111.11111000.00000000
Reserved: No
Result
Network: 208.215.248.0/23 (Class C)
First IP: 208.215.248.1
Last IP: 208.215.249.254
Broadcast: 208.215.249.255
Network range: 208.215.248.0 - 208.215.249.255
List of all IP addresses: 208_215_248_0-23.txt
Number of hosts: 510
Number of IP addresses: 512