Your IP address:
Provider:
...

For example: 18.225.149.32

/
Input
Address: 151.148.16.0
Netmask: 255.255.240.0 = 20
Inversion mask: 0.0.15.255
Binary: 10010111.10010100.00010000.00000000
Reserved: No
Result
Network: 151.148.16.0/20 (Class B)
First IP: 151.148.16.1
Last IP: 151.148.31.254
Broadcast: 151.148.31.255
Network range: 151.148.16.0 - 151.148.31.255
List of all IP addresses: 151_148_16_0-20.txt
Number of hosts: 4094
Number of IP addresses: 4096