diff --git a/all/ipv4.txt b/all/ipv4.txt
index 3801719d..8e91bcb7 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -227,7 +227,7 @@
 3.32.190.248/29
 3.33.34.0/24
 3.33.35.0/24
-3.33.40.0/23
+3.33.40.0/24
 3.33.42.0/24
 3.33.43.0/24
 3.33.44.0/22
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 63da8342..3d7121c5 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -59,7 +59,9 @@
 3.16.0.0/12
 3.32.0.0/16
 3.33.34.0/23
-3.33.40.0/21
+3.33.40.0/24
+3.33.42.0/23
+3.33.44.0/22
 3.33.128.0/17
 3.34.0.0/15
 3.36.0.0/14
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index e40848aa..f6be02f8 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -227,7 +227,7 @@
 3.32.190.248/29
 3.33.34.0/24
 3.33.35.0/24
-3.33.40.0/23
+3.33.40.0/24
 3.33.42.0/24
 3.33.43.0/24
 3.33.44.0/22
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 3f7e2248..5bc751b8 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -59,7 +59,9 @@
 3.16.0.0/12
 3.32.0.0/16
 3.33.34.0/23
-3.33.40.0/21
+3.33.40.0/24
+3.33.42.0/23
+3.33.44.0/22
 3.33.128.0/17
 3.34.0.0/15
 3.36.0.0/14