diff --git a/code.js b/code.js
index 01230b6..88268e5 100644
--- a/code.js
+++ b/code.js
@@ -47,7 +47,7 @@ function FindProxyForURL(url, host) {
 
 var LAN = [
   [0x0A000000, 0xFF000000], // 10.0.0.0/8
-  [0x64400000, 0xFFFF0000], // 100.64.0.0/16
+  [0x64400000, 0xFFC00000], // 100.64.0.0/10
   [0x7F000000, 0xFF000000], // 127.0.0.0/8
   [0xA9FE0000, 0xFFFF0000], // 169.254.0.0/16
   [0xAC100000, 0xFFF00000], // 172.16.0.0/12