Perhaps you are tracking yourself?
Or it is possible someone is trying to go to the above url and simply ending up on the admin page. But is the url a referrer or the page being loaded? Did you add tracking code to your Piwik install?
Or it is possible someone is trying to go to the above url and simply ending up on the admin page. But is the url a referrer or the page being loaded? Did you add tracking code to your Piwik install?