Your IP address:
Provider:
...

For example: 13.59.82.167

/
Input
Address: 139.60.200.0
Netmask: 255.255.248.0 = 21
Inversion mask: 0.0.7.255
Binary: 10001011.00111100.11001000.00000000
Reserved: No
Result
Network: 139.60.200.0/21 (Class B)
First IP: 139.60.200.1
Last IP: 139.60.207.254
Broadcast: 139.60.207.255
Network range: 139.60.200.0 - 139.60.207.255
List of all IP addresses: 139_60_200_0-21.txt
Number of hosts: 2046
Number of IP addresses: 2048