diff --git a/bk/prefix/as58453.txt b/bk/prefix/as58453.txt
index ab973a3..aebad8c 100644
--- a/bk/prefix/as58453.txt
+++ b/bk/prefix/as58453.txt
@@ -12,7 +12,6 @@
 2620:107:4008:1c2
 2620:107:4008:1d9
 2620:107:4008:1e8
-2620:107:4008:7aa
 2620:107:4008:bbef
 2620:107:4008:bd27
 2620:107:4008:d23c