1. A method for execution by one or more processing modules of one or more computing devices of a dispersed storage network (DSN), the method comprises: receiving one or more list requests within a timeframe; identifying one or more slice name ranges associated with the one or more list requests to produce active address ranges; determining a scan address range based on the active address ranges utilizing a range selection approach; generating a pillar width number of list requests for an associated set of distributed storage and task (DST) execution units based on the scan address range; and sending the pillar width number of list requests to the associated set of DST execution units.