[Post Indexer] Display more recently indexed posts or view all indexed posts

Currently, Post Indexer only shows me the 15 most recently indexed posts when I view the plugin on Network Admin. How can I view all indexed posts or increase that number to at least a few hundred recently indexed posts? I don't mind if it takes a while to load the page, it would just save me a TON of time looking for specific posts.

P.S. I don't want to use global site search plugin as the solution to this since that is network activated and all users are able to search.