Your IP address:
Provider:
...

For example: 216.73.216.57

/
Input
Address: 157.239.8.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 10011101.11101111.00001000.00000000
Reserved: No
Result
Network: 157.239.8.0/22 (Class B)
First IP: 157.239.8.1
Last IP: 157.239.11.254
Broadcast: 157.239.11.255
Network range: 157.239.8.0 - 157.239.11.255
List of all IP addresses: 157_239_8_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024