diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 0afb8c9c..fe83d2b2 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -1214,6 +1214,7 @@
 15.197.0.0/23
 15.197.12.0/22
 15.197.128.0/17
+15.197.16.0/23
 15.197.2.0/24
 15.197.3.0/24
 15.197.4.0/22
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 6e4ba28a..6c9d947b 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -130,6 +130,7 @@
 15.193.0.0/19
 15.197.0.0/20
 15.197.128.0/17
+15.197.16.0/23
 15.200.0.0/16
 15.205.0.0/16
 15.206.0.0/15