diff --git a/brouter-server/src/main/java/btools/server/IpAccessMonitor.java b/brouter-server/src/main/java/btools/server/IpAccessMonitor.java
index 2aa1c8e..3f3da83 100644
--- a/brouter-server/src/main/java/btools/server/IpAccessMonitor.java
+++ b/brouter-server/src/main/java/btools/server/IpAccessMonitor.java
@@ -8,21 +8,31 @@ public class IpAccessMonitor
   private static Object sync = new Object();
   private static HashMap<String,Long> ipAccess = new HashMap<String,Long>();
   private static long MAX_IDLE = 900000; // 15 minutes
-  
+  private static long CLEANUP_INTERVAL = 10000; // 10 seconds
+  private static long lastCleanup;
+
   public static boolean touchIpAccess( String ip )
   {
     long t = System.currentTimeMillis();
     synchronized( sync )
     {
       Long lastTime = ipAccess.get( ip );
-      if ( lastTime == null || t - lastTime.longValue() > MAX_IDLE )
+      ipAccess.put( ip, Long.valueOf( t ) );
+      return lastTime == null || t - lastTime.longValue() > MAX_IDLE;
+    }
+  }
+
+  public static int getSessionCount()
+  {
+    long t = System.currentTimeMillis();
+    synchronized( sync )
+    {
+      if ( t - lastCleanup > CLEANUP_INTERVAL )
       {
-        ipAccess.put( ip, Long.valueOf( t ) );
-        cleanup(t);
-        return true; // new session detected
+        cleanup( t );
+        lastCleanup = t;
       }
-      ipAccess.put( ip, Long.valueOf( t ) ); // touch existing session
-      return false;
+      return ipAccess.size();
     }
   }
   
diff --git a/brouter-server/src/main/java/btools/server/RouteServer.java b/brouter-server/src/main/java/btools/server/RouteServer.java
index ce79ec2..4d0887e 100644
--- a/brouter-server/src/main/java/btools/server/RouteServer.java
+++ b/brouter-server/src/main/java/btools/server/RouteServer.java
@@ -152,8 +152,15 @@ public class RouteServer extends Thread implements Comparable<RouteServer>
 
             InetAddress ip = clientSocket.getInetAddress();
             String sIp = xff == null ? (ip==null ? "null" : ip.toString() ) : xff;
-            String sessionMode = IpAccessMonitor.touchIpAccess( sIp ) ? " new " : "     ";
-            System.out.println( formattedTimestamp() + sessionMode + " ip=" + sIp + " -> " + getline );
+            boolean newSession = IpAccessMonitor.touchIpAccess( sIp );
+            String sessionInfo = " new";
+            if ( !newSession )
+            {
+              int sessionCount = IpAccessMonitor.getSessionCount();
+              sessionInfo = "    " + Math.min( sessionCount, 999 );
+              sessionInfo = sessionInfo.substring( sessionInfo.length() - 4 );
+            }
+            System.out.println( formattedTimestamp() + sessionInfo + " ip=" + sIp + " -> " + getline );
 
             String url = getline.split(" ")[1];
             HashMap<String,String> params = getUrlParams(url);