Your IP address:
Provider:
...

For example: 18.223.125.219

/
Input
Address: 136.228.0.0
Netmask: 255.255.224.0 = 19
Inversion mask: 0.0.31.255
Binary: 10001000.11100100.00000000.00000000
Reserved: No
Result
Network: 136.228.0.0/19 (Class B)
First IP: 136.228.0.1
Last IP: 136.228.31.254
Broadcast: 136.228.31.255
Network range: 136.228.0.0 - 136.228.31.255
List of all IP addresses: 136_228_0_0-19.txt
Number of hosts: 8190
Number of IP addresses: 8192