Your IP address:
Provider:
...

For example: 18.191.174.168

/
Input
Address: 99.151.128.0
Netmask: 255.255.192.0 = 18
Inversion mask: 0.0.63.255
Binary: 01100011.10010111.10000000.00000000
Reserved: No
Result
Network: 99.151.128.0/18 (Class A)
First IP: 99.151.128.1
Last IP: 99.151.191.254
Broadcast: 99.151.191.255
Network range: 99.151.128.0 - 99.151.191.255
List of all IP addresses: 99_151_128_0-18.txt
Number of hosts: 16382
Number of IP addresses: 16384