Your IP address:
Provider:
...

For example: 18.117.156.113

/
Input
Address: 65.37.192.0
Netmask: 255.255.224.0 = 19
Inversion mask: 0.0.31.255
Binary: 01000001.00100101.11000000.00000000
Reserved: No
Result
Network: 65.37.192.0/19 (Class A)
First IP: 65.37.192.1
Last IP: 65.37.223.254
Broadcast: 65.37.223.255
Network range: 65.37.192.0 - 65.37.223.255
List of all IP addresses: 65_37_192_0-19.txt
Number of hosts: 8190
Number of IP addresses: 8192