/** Work out how many people have used a certain IP address
  */
 public function iptousersAction()
 {
     if ($this->_getParam('ip', false)) {
         $ip = $this->_getParam('ip');
         $this->view->headTitle('Users who have used IP address: ' . $ip);
         $logins = new Logins();
         $this->view->logins = $logins->users2Ip($ip);
     } else {
         throw new Pas_Exception_Param($this->_missingParameter);
     }
 }