Your IP address:
Provider:
...

For example: 18.220.136.165

/
Input
Address: 159.99.88.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 10011111.01100011.01011000.00000000
Reserved: No
Result
Network: 159.99.88.0/23 (Class B)
First IP: 159.99.88.1
Last IP: 159.99.89.254
Broadcast: 159.99.89.255
Network range: 159.99.88.0 - 159.99.89.255
List of all IP addresses: 159_99_88_0-23.txt
Number of hosts: 510
Number of IP addresses: 512