diff --git a/app.py b/app.py
index 141156b..0ddefff 100644
--- a/app.py
+++ b/app.py
@@ -89,6 +89,9 @@ def index():
     if not session.get('logged_in'):
         return redirect(url_for('login'))
     allowed_ip_ranges = os.getenv('ALLOWED_IP_RANGES', '')
+    client_ip = request.headers.get('X-Forwarded-For', request.remote_addr)
+    logger.info(f"Client-IP: {client_ip}")
+    logger.info(f"Erlaubte IP-Bereiche: {allowed_ip_ranges}")
     return render_template('index.html', allowed_ip_ranges=allowed_ip_ranges)
 
 @app.route('/search')