diff --git a/all/ipv4.txt b/all/ipv4.txt
index b1a55d24..eaa30d78 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -465,6 +465,7 @@
 3.33.128.0/17
 3.33.34.0/24
 3.33.35.0/24
+3.33.40.0/23
 3.33.44.0/22
 3.34.0.0/15
 3.34.101.192/26
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 8d82f620..cb26108e 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -43,6 +43,7 @@
 3.32.0.0/16
 3.33.128.0/17
 3.33.34.0/23
+3.33.40.0/23
 3.33.44.0/22
 3.34.0.0/15
 3.36.0.0/14
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 7cb0353d..36c651f0 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -463,6 +463,7 @@
 3.33.128.0/17
 3.33.34.0/24
 3.33.35.0/24
+3.33.40.0/23
 3.33.44.0/22
 3.34.0.0/15
 3.34.101.192/26
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 61eede60..6b5ffafb 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -43,6 +43,7 @@
 3.32.0.0/16
 3.33.128.0/17
 3.33.34.0/23
+3.33.40.0/23
 3.33.44.0/22
 3.34.0.0/15
 3.36.0.0/14