Your IP address:
Provider:
...

For example: 216.73.216.135

/
Input
Address: 64.252.128.0
Netmask: 255.255.240.0 = 20
Inversion mask: 0.0.15.255
Binary: 01000000.11111100.10000000.00000000
Reserved: No
Result
Network: 64.252.128.0/20 (Class A)
First IP: 64.252.128.1
Last IP: 64.252.143.254
Broadcast: 64.252.143.255
Network range: 64.252.128.0 - 64.252.143.255
List of all IP addresses: 64_252_128_0-20.txt
Number of hosts: 4094
Number of IP addresses: 4096