diff --git a/files/nats_registration_listener.py b/files/nats_registration_listener.py
index 19e14c9..ec326ce 100644
--- a/files/nats_registration_listener.py
+++ b/files/nats_registration_listener.py
@@ -100,6 +100,7 @@ IGNORE_MACS_RAW = [
     "D0:6C:37:00:B0:1C",
     "C4:93:00:4E:96:F0",
     "D0:6C:37:00:B6:1C",
+    "D0:6C:37:00:EA:40",
 ]
 
 # Global counter for any NetBox-related problems