Search for sites by Kontera IdSameOwner.com allows to search for sites that use given Kontera ID. Kontera Id is just a big number like 3077060885. Sometimes people steal content of webpages entirely, without removal of Kontera ID from the pages. So by searching for sites with Kontera ID you use on your sites, you'll be able to find all sites that have stolen content of your pages.
To search for sites that use Kontera ID, just enter it into the main entry field, without quotes, so the entry contains just number like 3077060885 and hit Enter.
Just remember: you earn money when somebody clicks on the pages with text stolen from you, so you may wish not to stop thieves who are using your Kontera Id :-)
SameOwner.com contains information about 21 thousands sites with Kontera Id, so happy searching!