Your IP address:
Provider:
...

For example: 3.16.66.206

/
Input
Address: 64.252.66.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 01000000.11111100.01000010.00000000
Reserved: No
Result
Network: 64.252.66.0/23 (Class A)
First IP: 64.252.66.1
Last IP: 64.252.67.254
Broadcast: 64.252.67.255
Network range: 64.252.66.0 - 64.252.67.255
List of all IP addresses: 64_252_66_0-23.txt
Number of hosts: 510
Number of IP addresses: 512