Your IP address:
Provider:
...

For example: 3.144.187.103

/
Input
Address: 172.99.14.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 10101100.01100011.00001110.00000000
Reserved: No
Result
Network: 172.99.14.0/23 (Class B)
First IP: 172.99.14.1
Last IP: 172.99.15.254
Broadcast: 172.99.15.255
Network range: 172.99.14.0 - 172.99.15.255
List of all IP addresses: 172_99_14_0-23.txt
Number of hosts: 510
Number of IP addresses: 512