diff --git a/inc/core.php b/inc/core.php
index d083268..741f5bf 100644
--- a/inc/core.php
+++ b/inc/core.php
@@ -657,30 +657,35 @@ function ip_in_range($ip, $range) {
     return (($ip_decimal & $netmask_decimal) == ($range_decimal & $netmask_decimal));
 }
 
+
+// from https://www.cloudflare.com/ips-v4
+// and  https://www.cloudflare.com/ips-v6
 function _cloudflare_CheckIP($ip) {
-    $cf_ips = array(
-        '173.245.48.0/20',
-        '103.21.244.0/22',
-        '103.22.200.0/22',
-        '103.31.4.0/22',
-        '141.101.64.0/18',
-        '108.162.192.0/18',
-        '190.93.240.0/20',
-        '188.114.96.0/20',
-        '197.234.240.0/22',
-        '198.41.128.0/17',
-        '162.158.0.0/15',
-        '104.16.0.0/12',
-        '172.64.0.0/13',
-        '131.0.72.0/22',
-        '2400:cb00::/32',
-        '2606:4700::/32',
-        '2803:f800::/32',
-        '2405:b500::/32',
-        '2405:8100::/32',
-        '2a06:98c0::/29',
-        '2c0f:f248::/32'
-    );
+    $cf_ips = array_filter(array_map('trim',explode("\n","
+    2400:cb00::/32
+    2606:4700::/32
+    2803:f800::/32
+    2405:b500::/32
+    2405:8100::/32
+    2a06:98c0::/29
+    2c0f:f248::/32
+    173.245.48.0/20
+    103.21.244.0/22
+    103.22.200.0/22
+    103.31.4.0/22
+    141.101.64.0/18
+    108.162.192.0/18
+    190.93.240.0/20
+    188.114.96.0/20
+    197.234.240.0/22
+    198.41.128.0/17
+    162.158.0.0/15
+    104.16.0.0/13
+    104.24.0.0/14
+    172.64.0.0/13
+    131.0.72.0/22
+    ")));
+
     $is_cf_ip = false;
     foreach ($cf_ips as $cf_ip) {
         if (ip_in_range($ip, $cf_ip)) {