diff --git a/application.example.yaml b/application.example.yaml
index 081b1f2..8913903 100644
--- a/application.example.yaml
+++ b/application.example.yaml
@@ -47,7 +47,7 @@ lookup:
     allowedCidr:
       - '127.0.0.0/8'
       - '10.0.0.0/8'
-      - '172.16.0.0/16'
+      - '172.16.0.0/12'
       - '192.168.0.0/16'