diff --git a/all/ipv4.txt b/all/ipv4.txt
index ab2920e9..b43dea20 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -43071,7 +43071,6 @@
 66.90.72.170
 66.90.82.26
 66.102.0.0/20
-66.102.0.0/21
 66.119.144.0/20
 66.135.0.0/19
 66.160.141.0/24
diff --git a/google/ipv4.txt b/google/ipv4.txt
index 02385d9d..8a07d3d2 100644
--- a/google/ipv4.txt
+++ b/google/ipv4.txt
@@ -740,7 +740,6 @@
 64.233.160.0/19
 66.22.228.0/23
 66.102.0.0/20
-66.102.0.0/21
 66.249.64.0/19
 66.249.64.0/27
 66.249.64.32/27