Your IP address:
Provider:
...

For example: 3.16.147.124

/
Input
Address: 129.220.96.0
Netmask: 255.255.224.0 = 19
Inversion mask: 0.0.31.255
Binary: 10000001.11011100.01100000.00000000
Reserved: No
Result
Network: 129.220.96.0/19 (Class B)
First IP: 129.220.96.1
Last IP: 129.220.127.254
Broadcast: 129.220.127.255
Network range: 129.220.96.0 - 129.220.127.255
List of all IP addresses: 129_220_96_0-19.txt
Number of hosts: 8190
Number of IP addresses: 8192