diff --git a/backend/getIP.php b/backend/getIP.php
index 902e2e4..7d7c400 100644
--- a/backend/getIP.php
+++ b/backend/getIP.php
@@ -7,8 +7,13 @@
 error_reporting(0);
 $ip = "";
 header('Content-Type: application/json; charset=utf-8');
-header('Access-Control-Allow-Origin: *');
-header('Access-Control-Allow-Methods: GET, POST');
+if(isset($_GET["cors"])){
+    header('Access-Control-Allow-Origin: *');
+    header('Access-Control-Allow-Methods: GET, POST');
+}
+header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0, s-maxage=0');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
 if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
     $ip = $_SERVER['HTTP_CLIENT_IP'];
 } elseif (!empty($_SERVER['X-Real-IP'])) {
@@ -42,10 +47,6 @@ if (preg_match('/^172\.(1[6-9]|2\d|3[01])\./', $ip) === 1) { // 172.16/12 privat
     echo json_encode(['processedString' => $ip . " - private IPv4 access", 'rawIspInfo' => ""]);
     die();
 }
-if (preg_match('/^100\.([6-9][0-9]|1[0-2][0-7])\./', $ip) === 1) { // 100.64/10 CGNAT IPv4
-    echo json_encode(['processedString' => $ip . " - CGNAT IPv4 access", 'rawIspInfo' => ""]);
-    die();
-}
 if (strpos($ip, '192.168.') === 0) { // 192.168/16 private IPv4
     echo json_encode(['processedString' => $ip . " - private IPv4 access", 'rawIspInfo' => ""]);
     die();
@@ -71,12 +72,18 @@ function distance($latitudeFrom, $longitudeFrom, $latitudeTo, $longitudeTo) {
     $dist = sin($latitudeFrom * $rad) * sin($latitudeTo * $rad) + cos($latitudeFrom * $rad) * cos($latitudeTo * $rad) * cos($theta * $rad);
     return acos($dist) / $rad * 60 * 1.853;
 }
-
+function getIpInfoTokenString(){
+	$apikeyFile="getIP_ipInfo_apikey.php";
+	if(!file_exists($apikeyFile)) return "";
+	require $apikeyFile;
+	if(empty($IPINFO_APIKEY)) return "";
+	return "?token=".$IPINFO_APIKEY;
+}
 if (isset($_GET["isp"])) {
     $isp = "";
 	$rawIspInfo=null;
     try {
-        $json = file_get_contents("https://ipinfo.io/" . $ip . "/json");
+        $json = file_get_contents("https://ipinfo.io/" . $ip . "/json".getIpInfoTokenString());
         $details = json_decode($json, true);
 		$rawIspInfo=$details;
         if (array_key_exists("org", $details)){
@@ -100,7 +107,7 @@ if (isset($_GET["isp"])) {
 				if(file_exists($locFile)){
 					require $locFile;
 				}else{
-					$json = file_get_contents("https://ipinfo.io/json");
+					$json = file_get_contents("https://ipinfo.io/json".getIpInfoTokenString());
 					$details = json_decode($json, true);
 					if (array_key_exists("loc", $details)){
 						$serverLoc = $details["loc"];