Your IP address:
Provider:
...

For example: 18.216.32.116

/
Input
Address: 142.147.10.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 10001110.10010011.00001010.00000000
Reserved: No
Result
Network: 142.147.10.0/23 (Class B)
First IP: 142.147.10.1
Last IP: 142.147.11.254
Broadcast: 142.147.11.255
Network range: 142.147.10.0 - 142.147.11.255
List of all IP addresses: 142_147_10_0-23.txt
Number of hosts: 510
Number of IP addresses: 512