onurkun adlı üyeden alıntı: mesajı görüntüle
<?php
$ver = shell_exec("sudo netstat -an | grep $ip:$port | grep ESTABLISHED | awk '{print $5}' | cut -d: -f1");
preg_match_all("!(?:[0-9]{1,3}\.){3}[0-9]{1,3}!si", $ver, $cikti);
foreach ($cikti[0] as $yazdir) {
    echo "Online: $yazdir<hr />";
}
?>

İşine yarar umarım

Edit :
<table class="listtable" cellspacing="0"> 
    <thead> 
        <tr> 
            <th><h3>Username</h3></th> 
            <th><h3>Channel</h3></th> 
            <th><h3>IP</h3></th> 
            <th><h3>Location</h3></th> 
            <th><h3>User Agent</h3></th> 
            <th><h3>Date Started</h3></th> 
            <th><h3>Online Time</h3></th> 
            <th><h3>Options</h3></th> 
        </tr> 
</thead> 
<?php
include('config/mysql.php');
$ver = shell_exec("sudo netstat -an | grep $ip:$port | grep ESTABLISHED | awk '{print $5}' | cut -d: -f1");
preg_match_all("!(?:[0-9]{1,3}\.){3}[0-9]{1,3}!si", $ver, $cikti);
$birlestir = implode(",", $cikti[0]);
$result = mysql_query("SELECT * FROM connected_clients WHERE ip IN (" . $birlestir . ") ORDER BY id DESC");
while ($row = mysql_fetch_array($result)) {

    $connection = $row["status"];
    $username = $row["user"];
    $channel = $row["port"];
    $ipaddress = $row["ip"];
    $useragent = $row["useragent"];
    $start_time = $row["time-in"];
    $dateend = $row["time-out"];
    $timeonline = get_time_difference($start_time, $end_time);
    $bandwidth = $row["bandwidth"];
    ?> 

    <tbody> 
        <tr> 
            <td><?php echo $username ?></td> 
            <td><?php echo $channel ?></td> 
            <td><?php echo $ipaddress ?></td> 
            <td><?php echo $isp ?></td> 
            <td><?php echo $useragent ?></td> 
            <td><?php echo $start_time ?></td> 
            <td><?php echo $timeonline ?></td> 
            <td>Delete</td> 
        <?php } ?> 
    </tr> 
</tbody> 
</table>
Cok tesekkürler. Ilk verdiginiz örnek calisiyor. Fakat ikincisinde mysql sorgusuna gelen ip'ler dogru oldugu halde calismiyor. Herhangi bir hata'da göstermiyor.