diff --git a/all/ipv4.txt b/all/ipv4.txt
index a866cd89..e04efa9f 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -5775,6 +5775,7 @@
 18.144.158.64/26
 18.144.184.0/23
 18.153.0.0/16
+18.153.40.0/22
 18.154.0.0/15
 18.156.0.0/14
 18.156.52.0/24
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index a645c88f..11fb6014 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -2716,6 +2716,7 @@
 18.144.158.64/26
 18.144.184.0/23
 18.153.0.0/16
+18.153.40.0/22
 18.154.0.0/15
 18.156.0.0/14
 18.156.52.0/24