diff --git a/all/ipv4.txt b/all/ipv4.txt
index 49be108e..8a835a59 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -399,6 +399,7 @@
 3.253.216.0/22
 3.253.220.0/22
 3.253.224.0/22
+3.253.228.0/22
 3.26.109.216/30
 3.26.127.24/29
 3.26.137.0/24
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 906a3764..e95c6b23 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -397,6 +397,7 @@
 3.253.216.0/22
 3.253.220.0/22
 3.253.224.0/22
+3.253.228.0/22
 3.26.109.216/30
 3.26.127.24/29
 3.26.137.0/24