Your IP address:
Provider:
...

For example: 52.14.253.170

/
Input
Address: 139.73.128.0
Netmask: 255.255.192.0 = 18
Inversion mask: 0.0.63.255
Binary: 10001011.01001001.10000000.00000000
Reserved: No
Result
Network: 139.73.128.0/18 (Class B)
First IP: 139.73.128.1
Last IP: 139.73.191.254
Broadcast: 139.73.191.255
Network range: 139.73.128.0 - 139.73.191.255
List of all IP addresses: 139_73_128_0-18.txt
Number of hosts: 16382
Number of IP addresses: 16384