version 2 you have control over what you scan via discoveries. Don't use whole subnet IP ranges if there are devices that you don't want scanned, in that subnet, instead use single IP's or a range of IP addresses) Pasted directly from new discovery screen:
Some examples of valid Subnet attributes are:
NOTE - Only a subnet (as per the examples - 192.168.1.0/24) will be able to automatically create a valid network for Open-AudIT. If you use a single IP or a range, please ensure that before you run the Discovery you have added a corresponding network so Open-AudIT will accept audit results from those targets.