Your IP address:
Provider:
...

For example: 3.17.183.24

/
Input
Address: 142.54.128.0
Netmask: 255.255.224.0 = 19
Inversion mask: 0.0.31.255
Binary: 10001110.00110110.10000000.00000000
Reserved: No
Result
Network: 142.54.128.0/19 (Class B)
First IP: 142.54.128.1
Last IP: 142.54.159.254
Broadcast: 142.54.159.255
Network range: 142.54.128.0 - 142.54.159.255
List of all IP addresses: 142_54_128_0-19.txt
Number of hosts: 8190
Number of IP addresses: 8192