You can see what other Websites are on your shared host
I'll be using the Firefox addon "Country Flags & IP Whois" by Andy Portmen
Start by opening Firefox and clicking the ellipses.
Click Add-ons in the drop down
In the Search box Type "Country"
In the results you will see Country Flags & IP Whois
by Andy Portmen
Click on it and it will bring up
Click on add to Firefox then the nest two dialogs
It will use https://dnslytics.com to bring up the results
Most times you can see all the domains on the IP as well as information about the IP's that are close to it.