Your IP address:
Provider:
...

For example: 18.189.2.122

/
Input
Address: 71.152.120.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 01000111.10011000.01111000.00000000
Reserved: No
Result
Network: 71.152.120.0/23 (Class A)
First IP: 71.152.120.1
Last IP: 71.152.121.254
Broadcast: 71.152.121.255
Network range: 71.152.120.0 - 71.152.121.255
List of all IP addresses: 71_152_120_0-23.txt
Number of hosts: 510
Number of IP addresses: 512