Your IP address:
Provider:
...

For example: 3.22.51.241

/
Input
Address: 151.148.48.0
Netmask: 255.255.240.0 = 20
Inversion mask: 0.0.15.255
Binary: 10010111.10010100.00110000.00000000
Reserved: No
Result
Network: 151.148.48.0/20 (Class B)
First IP: 151.148.48.1
Last IP: 151.148.63.254
Broadcast: 151.148.63.255
Network range: 151.148.48.0 - 151.148.63.255
List of all IP addresses: 151_148_48_0-20.txt
Number of hosts: 4094
Number of IP addresses: 4096