Your IP address:
Provider:
...

For example: 3.145.42.94

/
Input
Address: 99.77.164.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 01100011.01001101.10100100.00000000
Reserved: No
Result
Network: 99.77.164.0/22 (Class A)
First IP: 99.77.164.1
Last IP: 99.77.167.254
Broadcast: 99.77.167.255
Network range: 99.77.164.0 - 99.77.167.255
List of all IP addresses: 99_77_164_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024