Your IP address:
Provider:
...

For example: 18.117.183.172

/
Input
Address: 146.123.148.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 10010010.01111011.10010100.00000000
Reserved: No
Result
Network: 146.123.148.0/22 (Class B)
First IP: 146.123.148.1
Last IP: 146.123.151.254
Broadcast: 146.123.151.255
Network range: 146.123.148.0 - 146.123.151.255
List of all IP addresses: 146_123_148_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024