diff --git a/ucDevices.json b/ucDevices.json
index a439773..7f37e41 100644
--- a/ucDevices.json
+++ b/ucDevices.json
@@ -648,6 +648,54 @@
           "longitude":7.278044
         }
       },
+      {
+        "name": "IZ-Halle Nord",
+        "mac": "24:5a:4c:51:ec:38",
+        "gateway_nexthop": "74acb9a727b1",
+        "gateway": "62b629ba4ad3",
+        "linked_to": "74:ac:b9:a7:27:b1",
+        "domain": "Siegburg Umland",  
+        "location": {
+          "latitude":50.78138,
+          "longitude":7.26508
+        }
+      },
+      {  
+        "name": "IZ-Halle Sued",
+        "mac": "24:5a:4c:51:ea:76",
+        "gateway_nexthop": "74acb9a727b1",
+        "gateway": "62b629ba4ad3",
+        "linked_to": "74:ac:b9:a7:27:b1",
+        "domain": "Siegburg Umland",  
+        "location": {
+          "latitude":50.78105,
+          "longitude":7.26505
+        }
+      },
+      { 
+        "name": "IZ-Buero Ost",
+        "mac": "24:5a:4c:52:06:88",
+        "gateway_nexthop": "74acb9a727b1",
+        "gateway": "62b629ba4ad3",
+        "linked_to": "74:ac:b9:a7:27:b1",
+        "domain": "Siegburg Umland",  
+        "location": {
+          "latitude":50.78150,
+          "longitude":7.26521
+        }
+      },
+      {
+        "name": "IZ-Buero West",
+        "mac": "24:5a:4c:51:eb:93",
+        "gateway_nexthop": "74acb9a727b1",
+        "gateway": "62b629ba4ad3",
+        "linked_to": "74:ac:b9:a7:27:b1",
+        "domain": "Siegburg Umland",  
+        "location": {
+          "latitude":50.78151,
+          "longitude":7.26495
+        }
+      },
       {
         "name": "ROUTEMASTER- FFRS-AC-M01",
         "mac": "b4:fb:e4:10:8a:2a",