Your IP address:
Provider:
...

For example: 18.116.63.236

/
Input
Address: 144.81.140.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 10010000.01010001.10001100.00000000
Reserved: No
Result
Network: 144.81.140.0/24 (Class B)
First IP: 144.81.140.1
Last IP: 144.81.140.254
Broadcast: 144.81.140.255
Network range: 144.81.140.0 - 144.81.140.255
List of all IP addresses: 144_81_140_0-24.txt
Number of hosts: 254
Number of IP addresses: 256