Your IP address:
Provider:
...

For example: 18.118.120.204

/
Input
Address: 130.176.240.0
Netmask: 255.255.248.0 = 21
Inversion mask: 0.0.7.255
Binary: 10000010.10110000.11110000.00000000
Reserved: No
Result
Network: 130.176.240.0/21 (Class B)
First IP: 130.176.240.1
Last IP: 130.176.247.254
Broadcast: 130.176.247.255
Network range: 130.176.240.0 - 130.176.247.255
List of all IP addresses: 130_176_240_0-21.txt
Number of hosts: 2046
Number of IP addresses: 2048