Your IP address:
Provider:
...

For example: 3.88.60.5

/
Input
Address: 54.240.32.0
Netmask: 255.255.240.0 = 20
Inversion mask: 0.0.15.255
Binary: 00110110.11110000.00100000.00000000
Reserved: No
Result
Network: 54.240.32.0/20 (Class A)
First IP: 54.240.32.1
Last IP: 54.240.47.254
Broadcast: 54.240.47.255
Network range: 54.240.32.0 - 54.240.47.255
List of all IP addresses: 54_240_32_0-20.txt
Number of hosts: 4094
Number of IP addresses: 4096