diff --git a/files/nats_registration_listener.py b/files/nats_registration_listener.py
index ba5ea94..de21aaf 100644
--- a/files/nats_registration_listener.py
+++ b/files/nats_registration_listener.py
@@ -122,6 +122,9 @@ IGNORE_MACS_RAW = [
     "D0:6C:37:01:03:98",
     "C4:93:00:4E:96:0C",
     "d0:6c:37:00:e8:68",
+    "D0:6C:37:00:B1:1C",
+    "C4:93:00:51:9D:06",
+    "D0:6C:37:01:1C:98",
 ]
 
 # Global counter for any NetBox-related problems