Your IP address:
Provider:
...

For example: 3.129.210.17

/
Input
Address: 130.137.242.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 10000010.10001001.11110010.00000000
Reserved: No
Result
Network: 130.137.242.0/24 (Class B)
First IP: 130.137.242.1
Last IP: 130.137.242.254
Broadcast: 130.137.242.255
Network range: 130.137.242.0 - 130.137.242.255
List of all IP addresses: 130_137_242_0-24.txt
Number of hosts: 254
Number of IP addresses: 256