Your IP address:
Provider:
...

For example: 18.220.16.184

/
Input
Address: 134.251.128.0
Netmask: 255.255.128.0 = 17
Inversion mask: 0.0.127.255
Binary: 10000110.11111011.10000000.00000000
Reserved: No
Result
Network: 134.251.128.0/17 (Class B)
First IP: 134.251.128.1
Last IP: 134.251.255.254
Broadcast: 134.251.255.255
Network range: 134.251.128.0 - 134.251.255.255
List of all IP addresses: 134_251_128_0-17.txt
Number of hosts: 32766
Number of IP addresses: 32768