diff --git a/action.php b/action.php
index be451e2..a14e347 100644
--- a/action.php
+++ b/action.php
@@ -23,9 +23,8 @@ class action_plugin_botmon extends DokuWiki_Action_Plugin {
 
 		global $ACT;
 
-		// initialize the session id and type with random data:
-		$this->sessionId = rand(1000000, 9999999);
-		$this->sessionType = 'rnd';
+		// populate the session id and type:
+		$this->setSessionInfo();
 
 		// insert header data into the page:
 		if ($ACT == 'show' || $ACT == 'edit' || $ACT == 'media') {
@@ -62,8 +61,6 @@ class action_plugin_botmon extends DokuWiki_Action_Plugin {
 
 		global $INFO;
 
-		// populate the session id and type:
-		$this->getSessionInfo();
 
 		// build the tracker code:
 		$code = $this->getBMHeader();
@@ -178,7 +175,7 @@ class action_plugin_botmon extends DokuWiki_Action_Plugin {
 		return $country;
 	}
 
-	private function getSessionInfo() {
+	private function setSessionInfo() {
 
 		// what is the session identifier?
 		if (isset($_SESSION)) {
@@ -199,6 +196,12 @@ class action_plugin_botmon extends DokuWiki_Action_Plugin {
 			$this->sessionId = $_SERVER['REMOTE_ADDR'];
 			$this->sessionType = 'ip';
 		}
+
+		if (!$this->sessionId) { /* if all fails, use random data */
+			$this->sessionId = rand(100000000, 999999999);
+			$this->sessionType = 'rnd';
+		}
+
 	}
 
 	public function showCaptcha(Event $event) {
diff --git a/admin.css b/admin.css
index d8dad0e..8b15ce9 100644
--- a/admin.css
+++ b/admin.css
@@ -363,6 +363,7 @@
 		&.typ_php::before { background-position-y: -40px }
 		&.typ_ip::before { background-position-y: -60px }
 		&.typ_usr::before { background-position-y: -80px }
+		&.typ_rnd::before { background-position-y: -100px }
 
 		/* External link icons */
 		&.extlink::before { background-image: url('img/links.png') }
diff --git a/config/known-ipranges.json b/config/known-ipranges.json
index 4e955cb..68dcf4f 100644
--- a/config/known-ipranges.json
+++ b/config/known-ipranges.json
@@ -20,6 +20,7 @@
 		{"id": "zenlayer", "name": "Zenlayer"}
 	],
 	"ranges": [
+		{"from": "1.92.0.0", "to": "1.95.255.254", "m": 14, "g": "huawei"},
 		{"from": "3.0.0.0", "to": "3.255.255.254", "m": 8, "g": "amazon"},
 		{"from": "5.161.0.0", "to": "5.161.255.255", "m": 16, "g": "hetzner"},
 		{"from": "8.128.0.0", "to": "8.191.255.254", "m": 10, "g": "alibaba"},
@@ -67,6 +68,7 @@
 		{"from": "138.121.0.0", "to": "138.121.225.254", "m": 16, "g": "misc_sa"},
 		{"from": "142.147.128.0", "to": "1142.147.255.254", "m": 17, "g": "w2obj"},
 		{"from": "146.174.128.0", "to": "146.174.191.254", "m": 18, "g": "huawei"},
+		{"from": "149.232.128.0", "to": "149.232.159.254", "m": 19, "g": "huawei"},
 		{"from": "150.40.128.0", "to": "150.40.255.254", "m": 17, "g": "huawei"},
 		{"from": "159.138.0.0", "to": "159.138.225.254", "m": 16, "g": "huawei"},
 		{"from": "162.128.0.0", "to": "162.128.255.254", "m": 16, "g": "zenlayer"},
diff --git a/img/captcha.png b/img/captcha.png
index 6e43e46..f101af1 100644
Binary files a/img/captcha.png and b/img/captcha.png differ
diff --git a/img/idtyp.png b/img/idtyp.png
index a1083f5..a315d24 100644
Binary files a/img/idtyp.png and b/img/idtyp.png differ