Your IP address:
Provider:
...

For example: 18.217.109.151

/
Input
Address: 185.121.142.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 10111001.01111001.10001110.00000000
Reserved: No
Result
Network: 185.121.142.0/24 (Class B)
First IP: 185.121.142.1
Last IP: 185.121.142.254
Broadcast: 185.121.142.255
Network range: 185.121.142.0 - 185.121.142.255
List of all IP addresses: 185_121_142_0-24.txt
Number of hosts: 254
Number of IP addresses: 256