Dell DPND-523-EN12 - Manual (Page 109)

A tree of IPv4 ranges | 109
Setup Guide
You will be creating a tree of ranges and the tree can be as complicated as
necessary to have Network Discovery monitor your network the way you want.
Note: A range can consist of one device. The starting and ending IPv4 addresses
are the same.
Note: If you decide that two adjacent IPv4 ranges really should not be separate,
you can merge them. The ranges must have identical properties or you
cannot merge them.