Your IP address:
Provider:
...

For example: 3.141.27.244

/
Input
Address: 74.201.20.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 01001010.11001001.00010100.00000000
Reserved: No
Result
Network: 74.201.20.0/22 (Class A)
First IP: 74.201.20.1
Last IP: 74.201.23.254
Broadcast: 74.201.23.255
Network range: 74.201.20.0 - 74.201.23.255
List of all IP addresses: 74_201_20_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024