diff --git a/all/ipv4.txt b/all/ipv4.txt
index 088cd1ae..301f71e6 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -21733,8 +21733,11 @@
 23.228.220.0/24
 23.228.221.0/24
 23.228.222.0/24
+23.228.226.0/24
+23.228.227.0/24
 23.228.228.0/22
 23.228.232.0/22
+23.228.237.0/24
 23.236.48.0/20
 23.239.0.0/24
 23.239.1.0/24
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index a9a680c6..94c96bf0 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -567,8 +567,10 @@
 23.228.198.0/24
 23.228.220.0/23
 23.228.222.0/24
+23.228.226.0/23
 23.228.228.0/22
 23.228.232.0/22
+23.228.237.0/24
 23.236.48.0/20
 23.239.0.0/19
 23.251.128.0/19
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 6a4bf5a5..76a89be8 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -2937,8 +2937,11 @@
 23.228.220.0/24
 23.228.221.0/24
 23.228.222.0/24
+23.228.226.0/24
+23.228.227.0/24
 23.228.228.0/22
 23.228.232.0/22
+23.228.237.0/24
 23.254.0.0/21
 23.254.8.0/21
 23.254.16.0/21
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 08d2a2f4..35d3fa37 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -492,8 +492,10 @@
 23.228.198.0/24
 23.228.220.0/23
 23.228.222.0/24
+23.228.226.0/23
 23.228.228.0/22
 23.228.232.0/22
+23.228.237.0/24
 23.254.0.0/20
 23.254.16.0/21
 23.254.24.0/23