Your IP address:
Provider:
...

For example: 3.145.163.26

/
Input
Address: 3.33.0.0
Netmask: 255.255.224.0 = 19
Inversion mask: 0.0.31.255
Binary: 00000011.00100001.00000000.00000000
Reserved: No
Result
Network: 3.33.0.0/19 (Class A)
First IP: 3.33.0.1
Last IP: 3.33.31.254
Broadcast: 3.33.31.255
Network range: 3.33.0.0 - 3.33.31.255
List of all IP addresses: 3_33_0_0-19.txt
Number of hosts: 8190
Number of IP addresses: 8192