Your IP address:
Provider:
...

For example: 3.16.76.43

/
Input
Address: 66.178.138.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 01000010.10110010.10001010.00000000
Reserved: No
Result
Network: 66.178.138.0/24 (Class A)
First IP: 66.178.138.1
Last IP: 66.178.138.254
Broadcast: 66.178.138.255
Network range: 66.178.138.0 - 66.178.138.255
List of all IP addresses: 66_178_138_0-24.txt
Number of hosts: 254
Number of IP addresses: 256