diff --git a/all/ipv4.txt b/all/ipv4.txt
index 6aae95c6..92ddec9b 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -82670,7 +82670,6 @@
 172.215.253.68/30
 172.215.253.72/29
 172.217.0.0/16
-172.217.0.0/20
 172.217.32.0/20
 172.217.128.0/19
 172.217.160.0/20
diff --git a/google/ipv4.txt b/google/ipv4.txt
index 5c5148bc..5c8eae14 100644
--- a/google/ipv4.txt
+++ b/google/ipv4.txt
@@ -1006,7 +1006,6 @@
 162.222.176.0/21
 172.110.32.0/21
 172.217.0.0/16
-172.217.0.0/20
 172.217.32.0/20
 172.217.128.0/19
 172.217.160.0/20