diff --git a/files/nats_registration_listener.py b/files/nats_registration_listener.py
index de21aaf..d4f56be 100644
--- a/files/nats_registration_listener.py
+++ b/files/nats_registration_listener.py
@@ -125,6 +125,9 @@ IGNORE_MACS_RAW = [
     "D0:6C:37:00:B1:1C",
     "C4:93:00:51:9D:06",
     "D0:6C:37:01:1C:98",
+    "D0:6C:37:00:FF:74",
+    "D0:6C:37:00:77:34",
+    "D0:6C:37:00:F6:F0",
 ]
 
 # Global counter for any NetBox-related problems