Site References for Content Fragments

Hi all,

I'm using an AEM Assets sandbox. I created a content fragment and added it to a WKND site page. The page and the content fragment are both published. I'm looking for a list of site references associated with the content fragment, but my sidebar says there aren't any site references. I'm wondering if this is an issue with the sandbox and that the site references would show up in a regular instance. If not, where would I look to find a list of all pages that a specific content fragment is placed?

Thank you!