Your IP address:
Provider:
...

For example: 216.73.216.57

/
Input
Address: 210.80.146.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 11010010.01010000.10010010.00000000
Reserved: No
Result
Network: 210.80.146.0/23 (Class C)
First IP: 210.80.146.1
Last IP: 210.80.147.254
Broadcast: 210.80.147.255
Network range: 210.80.146.0 - 210.80.147.255
List of all IP addresses: 210_80_146_0-23.txt
Number of hosts: 510
Number of IP addresses: 512