In the Mobile Device Details of the devices in your Inventory are properties. And of these properties can be used as a criteria.
The criteria for the package builder is to specify what devices can and cannot get the package you have created.
<2nd range, i.e. 11.11.11.*
IP = 10.10.10.1 - 10.10.10.254 | IP=11.11.11.*
Deviceid is m9ost likely CN number
mobile device details
Properties, and crireia here can be used.
Also can edit package and mod from details tab.