Your IP address:
Provider:
...

For example: 216.73.217.125

/
Input
Address: 170.139.224.0
Netmask: 255.255.240.0 = 20
Inversion mask: 0.0.15.255
Binary: 10101010.10001011.11100000.00000000
Reserved: No
Result
Network: 170.139.224.0/20 (Class B)
First IP: 170.139.224.1
Last IP: 170.139.239.254
Broadcast: 170.139.239.255
Network range: 170.139.224.0 - 170.139.239.255
List of all IP addresses: 170_139_224_0-20.txt
Number of hosts: 4094
Number of IP addresses: 4096