diff --git a/lists/microsoft-azure/list.json b/lists/microsoft-azure/list.json
index 0377037..af76abe 100644
--- a/lists/microsoft-azure/list.json
+++ b/lists/microsoft-azure/list.json
@@ -448,6 +448,7 @@
     "20.157.204.0/23",
     "20.157.206.0/24",
     "20.157.208.0/20",
+    "20.184.0.0/13",
     "20.184.0.0/15",
     "20.186.0.0/16",
     "20.187.0.0/17",