diff --git a/files/nats_registration_listener.py b/files/nats_registration_listener.py
index 7879811..19e14c9 100644
--- a/files/nats_registration_listener.py
+++ b/files/nats_registration_listener.py
@@ -99,6 +99,7 @@ IGNORE_MACS_RAW = [
     #"D0:6C:37:00:A9:68",  
     "D0:6C:37:00:B0:1C",
     "C4:93:00:4E:96:F0",
+    "D0:6C:37:00:B6:1C",
 ]
 
 # Global counter for any NetBox-related problems