When you log into the Management Utilities you are presented the Search dashboard
The search button is also available from the details page when viewing any group.
You can search based on the machine name or ip address
In this example we search for machine names which contain jf29
In this example we search for IP Address 192.168.200.11
As you can see the results included the IP addresses that contained 192.168.200.11 along with all addressed from 192.168.200.111 to 119