Your IP address:
Provider:
...

For example: 216.73.216.13

/
Input
Address: 130.137.243.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 10000010.10001001.11110011.00000000
Reserved: No
Result
Network: 130.137.243.0/24 (Class B)
First IP: 130.137.243.1
Last IP: 130.137.243.254
Broadcast: 130.137.243.255
Network range: 130.137.243.0 - 130.137.243.255
List of all IP addresses: 130_137_243_0-24.txt
Number of hosts: 254
Number of IP addresses: 256