diff --git a/src/main/java/cokr/xit/fims/base/web/MainController.java b/src/main/java/cokr/xit/fims/base/web/MainController.java
index 6d68094e..ba8ba219 100644
--- a/src/main/java/cokr/xit/fims/base/web/MainController.java
+++ b/src/main/java/cokr/xit/fims/base/web/MainController.java
@@ -170,7 +170,12 @@ public class MainController extends cokr.xit.base.web.MainController {
 
 		String net = "";
 		String[] LOCAL = {"127.0.0.1", "0:0:0:0:0:0:0:1"};
-		String[] PRIVATES = {"10.","172.16.","172.31.","192.168."};
+		String[] PRIVATES = {
+			"10.",
+			"172.16.","172.17.","172.18.","172.19.","172.20.","172.21.","172.22.","172.23.",
+			"172.24.","172.25.","172.26.","172.27.","172.28.","172.29.","172.30.","172.31.",
+			"192.168."
+		};
 		String XIT_NET = "211.119.124.";
 		List<String> EXTERNAL_ENT_NET = FimsConf.get().getExternalEntNet();
 		List<String> SGG_NET = FimsConf.get().getSggNet();