CB_LookUp

Web app where any domain user can pull OU and Most Recent User of Chrome devices from CB_Activity, without admin access.

Resulting list of serials clickable in cooperation with CB_QueryDetails for more information on clicked serial number.

Demo site here

https://sites.google.com/no-substitute.com/tools/cb-tools/cb_lookup

So, to begin with, you need to grab a copy of CB_Activity and set it up.

VERY IMPORTANT! CB_Activity sheet needs to be shared Anyone With Link

The rest of the instructions are in the wiki

tl;dr - No data is sent anywhere, except between you and Google.