Your IP address:
Provider:
...

For example: 3.147.126.242

/
Input
Address: 205.147.212.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 11001101.10010011.11010100.00000000
Reserved: No
Result
Network: 205.147.212.0/22 (Class C)
First IP: 205.147.212.1
Last IP: 205.147.215.254
Broadcast: 205.147.215.255
Network range: 205.147.212.0 - 205.147.215.255
List of all IP addresses: 205_147_212_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024