O zaman bu fonksiyonu deneyin.

function GetIP(){
if(getenv("HTTP_CLIENT_IP")) {
$ip = getenv("HTTP_CLIENT_IP");
} elseif(getenv("HTTP_X_FORWARDED_FOR")) {
$ip = getenv("HTTP_X_FORWARDED_FOR");
if (strstr($ip, ',')) {
$tmp = explode (',', $ip);
$ip = trim($tmp[0]);
}
} else {
$ip = getenv("REMOTE_ADDR");
}
return $ip;
}