diff --git a/files/nats_registration_listener.py b/files/nats_registration_listener.py
index 220d05e..79ac360 100644
--- a/files/nats_registration_listener.py
+++ b/files/nats_registration_listener.py
@@ -107,7 +107,7 @@ IGNORE_MACS_RAW = [
     "D0:6C:37:01:17:C8",
     "D0:6C:37:00:85:24",
     "D0:6C:37:01:18:58",
-    
+    "C4:93:00:50:A9:3C",
 ]
 
 # Global counter for any NetBox-related problems