diff --git a/data/country/SG.txt b/data/country/SG.txt
index ec05d70d..758ff5e8 100644
--- a/data/country/SG.txt
+++ b/data/country/SG.txt
@@ -4820,7 +4820,6 @@
 205.177.52.0/22
 205.177.56.0/22
 205.210.165.0/24
-205.210.166.0/23
 205.216.108.0/22
 205.217.128.0/23
 205.217.130.0/24