Your IP address:
Provider:
...

For example: 18.222.182.105

/
Input
Address: 67.220.240.0
Netmask: 255.255.240.0 = 20
Inversion mask: 0.0.15.255
Binary: 01000011.11011100.11110000.00000000
Reserved: No
Result
Network: 67.220.240.0/20 (Class A)
First IP: 67.220.240.1
Last IP: 67.220.255.254
Broadcast: 67.220.255.255
Network range: 67.220.240.0 - 67.220.255.255
List of all IP addresses: 67_220_240_0-20.txt
Number of hosts: 4094
Number of IP addresses: 4096