Your IP address:
Provider:
...

For example: 3.142.198.129

/
Input
Address: 149.23.105.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 10010101.00010111.01101001.00000000
Reserved: No
Result
Network: 149.23.105.0/24 (Class B)
First IP: 149.23.105.1
Last IP: 149.23.105.254
Broadcast: 149.23.105.255
Network range: 149.23.105.0 - 149.23.105.255
List of all IP addresses: 149_23_105_0-24.txt
Number of hosts: 254
Number of IP addresses: 256