Your IP address:
Provider:
...

For example: 216.73.216.99

/
Input
Address: 71.152.120.0
Netmask: 255.255.248.0 = 21
Inversion mask: 0.0.7.255
Binary: 01000111.10011000.01111000.00000000
Reserved: No
Result
Network: 71.152.120.0/21 (Class A)
First IP: 71.152.120.1
Last IP: 71.152.127.254
Broadcast: 71.152.127.255
Network range: 71.152.120.0 - 71.152.127.255
List of all IP addresses: 71_152_120_0-21.txt
Number of hosts: 2046
Number of IP addresses: 2048