$sorgu=mysql_query("
      select Kullanici,KayitIP,SonIP
      from tabloadi
      where KayitIP='$ip' or SonIP='$ip'
 ");
$dongu=mysql_fetch_array($sorgu);

do {

   echo "<div>".$dongu["Kullanici"].
               "<ul>".$dongu["KayitIP"]."</ul>".
               "<ul>".$dongu["SonIP"]."</ul>".
         "</div>";

}while($dongu=mysql_fetch_array($sorgu));