Your IP address:
Provider:
...

For example: 3.144.154.208

/
Input
Address: 77.120.64.0
Netmask: 255.255.224.0 = 19
Inversion mask: 0.0.31.255
Binary: 01001101.01111000.01000000.00000000
Reserved: No
Result
Network: 77.120.64.0/19 (Class A)
First IP: 77.120.64.1
Last IP: 77.120.95.254
Broadcast: 77.120.95.255
Network range: 77.120.64.0 - 77.120.95.255
List of all IP addresses: 77_120_64_0-19.txt
Number of hosts: 8190
Number of IP addresses: 8192