Your IP address:
Provider:
...

For example: 3.145.38.117

/
Input
Address: 168.203.64.0
Netmask: 255.255.192.0 = 18
Inversion mask: 0.0.63.255
Binary: 10101000.11001011.01000000.00000000
Reserved: No
Result
Network: 168.203.64.0/18 (Class B)
First IP: 168.203.64.1
Last IP: 168.203.127.254
Broadcast: 168.203.127.255
Network range: 168.203.64.0 - 168.203.127.255
List of all IP addresses: 168_203_64_0-18.txt
Number of hosts: 16382
Number of IP addresses: 16384