diff --git a/files/nats_registration_listener.py b/files/nats_registration_listener.py
index 74f006f..0fcc59c 100644
--- a/files/nats_registration_listener.py
+++ b/files/nats_registration_listener.py
@@ -80,7 +80,11 @@ PRODUCT_TAG_SLUG = {
 IGNORE_MACS_RAW = [
     "AA:BB:CC:DD:EE:FF",
     "D0:6C:37:01:4A:25",
-
+    "C4:93:00:4E:9E:C0", # 84823
+    "C4:93:00:4E:97:B0", # 6667
+    "D0:6C:37:01:26:D2", #NOT known for webapps
+    "D0:6C:37:01:0C:C0", #NOT known for webapps
+    "D0:6C:37:01:0C:7C", #NOT known for webapps
 ]
 
 # Global counter for any NetBox-related problems