Your IP address:
Provider:
...

For example: 3.145.175.243

/
Input
Address: 140.19.64.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 10001100.00010011.01000000.00000000
Reserved: No
Result
Network: 140.19.64.0/24 (Class B)
First IP: 140.19.64.1
Last IP: 140.19.64.254
Broadcast: 140.19.64.255
Network range: 140.19.64.0 - 140.19.64.255
List of all IP addresses: 140_19_64_0-24.txt
Number of hosts: 254
Number of IP addresses: 256