Your IP address:
Provider:
...

For example: 18.189.189.102

/
Input
Address: 142.252.30.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 10001110.11111100.00011110.00000000
Reserved: No
Result
Network: 142.252.30.0/24 (Class B)
First IP: 142.252.30.1
Last IP: 142.252.30.254
Broadcast: 142.252.30.255
Network range: 142.252.30.0 - 142.252.30.255
List of all IP addresses: 142_252_30_0-24.txt
Number of hosts: 254
Number of IP addresses: 256