Your IP address:
Provider:
...

For example: 216.73.216.57

/
Input
Address: 130.150.240.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 10000010.10010110.11110000.00000000
Reserved: No
Result
Network: 130.150.240.0/22 (Class B)
First IP: 130.150.240.1
Last IP: 130.150.243.254
Broadcast: 130.150.243.255
Network range: 130.150.240.0 - 130.150.243.255
List of all IP addresses: 130_150_240_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024