Your IP address:
Provider:
...

For example: 3.16.81.94

/
Input
Address: 161.188.154.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 10100001.10111100.10011010.00000000
Reserved: No
Result
Network: 161.188.154.0/23 (Class B)
First IP: 161.188.154.1
Last IP: 161.188.155.254
Broadcast: 161.188.155.255
Network range: 161.188.154.0 - 161.188.155.255
List of all IP addresses: 161_188_154_0-23.txt
Number of hosts: 510
Number of IP addresses: 512