diff --git a/all/ipv4.txt b/all/ipv4.txt
index 087baf2f..01240a63 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -7768,6 +7768,7 @@
 16.52.0.0/16
 16.53.0.0/16
 16.54.0.0/15
+16.54.170.0/23
 16.56.0.0/18
 16.56.64.0/18
 16.56.128.0/18
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 8d5ae8ba..4f833449 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -2469,6 +2469,7 @@
 16.52.0.0/16
 16.53.0.0/16
 16.54.0.0/15
+16.54.170.0/23
 16.56.0.0/18
 16.56.64.0/18
 16.56.128.0/18