Your IP address:
Provider:
...

For example: 3.145.12.242

/
Input
Address: 130.176.58.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 10000010.10110000.00111010.00000000
Reserved: No
Result
Network: 130.176.58.0/23 (Class B)
First IP: 130.176.58.1
Last IP: 130.176.59.254
Broadcast: 130.176.59.255
Network range: 130.176.58.0 - 130.176.59.255
List of all IP addresses: 130_176_58_0-23.txt
Number of hosts: 510
Number of IP addresses: 512