Thanks Parag. Would be nice if this was a feature in QGuard at some point. Some of my ranges are so large that scanning the whole group everytime takes too much time. Has been more efficient to only scan live IP's and update the asset group from the map every couple of weeks.
Does Qualys not just skip those? Isn't that why there's a scan dead host option in the option profiles? I suppose if you do have a super huge network then pinging each could still add extra unnecessary time.
You could leverage the API. Check out this proof of concept, unsupported script that takes in a MAP XML report and automatically subscribes them:
https://github.com/paragbaxi/qualysguard_vm_map_parse