Your IP address:
Provider:
...

For example: 3.144.17.45

/
Input
Address: 74.121.52.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 01001010.01111001.00110100.00000000
Reserved: No
Result
Network: 74.121.52.0/24 (Class A)
First IP: 74.121.52.1
Last IP: 74.121.52.254
Broadcast: 74.121.52.255
Network range: 74.121.52.0 - 74.121.52.255
List of all IP addresses: 74_121_52_0-24.txt
Number of hosts: 254
Number of IP addresses: 256