Your IP address:
Provider:
...

For example: 216.73.216.57

/
Input
Address: 199.241.192.0
Netmask: 255.255.248.0 = 21
Inversion mask: 0.0.7.255
Binary: 11000111.11110001.11000000.00000000
Reserved: No
Result
Network: 199.241.192.0/21 (Class C)
First IP: 199.241.192.1
Last IP: 199.241.199.254
Broadcast: 199.241.199.255
Network range: 199.241.192.0 - 199.241.199.255
List of all IP addresses: 199_241_192_0-21.txt
Number of hosts: 2046
Number of IP addresses: 2048