Your IP address:
Provider:
...

For example: 3.21.34.0

/
Input
Address: 13.35.221.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 00001101.00100011.11011101.00000000
Reserved: No
Result
Network: 13.35.221.0/24 (Class A)
First IP: 13.35.221.1
Last IP: 13.35.221.254
Broadcast: 13.35.221.255
Network range: 13.35.221.0 - 13.35.221.255
List of all IP addresses: 13_35_221_0-24.txt
Number of hosts: 254
Number of IP addresses: 256