diff --git a/all/ipv4.txt b/all/ipv4.txt
index 75484006..d6a4c0df 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -42785,7 +42785,6 @@
 64.227.160.0/20
 64.227.176.0/20
 64.233.160.0/19
-64.233.160.0/20
 64.236.0.0/16
 64.236.0.0/17
 64.236.31.0/27
diff --git a/google/ipv4.txt b/google/ipv4.txt
index 2ba30c0f..95b0a659 100644
--- a/google/ipv4.txt
+++ b/google/ipv4.txt
@@ -738,7 +738,6 @@
 57.140.192.0/18
 64.15.112.0/20
 64.233.160.0/19
-64.233.160.0/20
 66.22.228.0/23
 66.102.0.0/20
 66.249.64.0/19