diff --git a/all/ipv4.txt b/all/ipv4.txt
index 617c5e5c..e47c7513 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -5771,6 +5771,7 @@
 15.103.0.0/16
 15.128.0.0/16
 15.134.0.0/16
+15.134.66.0/23
 15.135.0.0/16
 15.145.0.0/23
 15.145.2.0/23
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index c2e6e93a..3c5cd649 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -1213,6 +1213,7 @@
 15.103.0.0/16
 15.128.0.0/16
 15.134.0.0/16
+15.134.66.0/23
 15.135.0.0/16
 15.145.0.0/23
 15.145.2.0/23