Would it be possible to allow us to name IP ranges so that those names/labels show up when we have multiple ranges defined, to make it easier to remember the relationship of that range? Perhaps this new feature can be added to the Network Scanner?
NetScanner already has the ability to assign a comment to each address range. The yellow sticky note icon will let you set a comment and then display it when hovering over that button:
Another handy feature is outputting the bookmark name which the IP address belongs to in scan results. For that, you need to create a bookmark for each IP range, and tick "Show bookmark in output". Then you will be able to see which bookmark(s) each IP address belongs to: