diff --git a/all/ipv4.txt b/all/ipv4.txt
index 9c1d22d5..213dc6a3 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -469,6 +469,7 @@
 3.33.34.0/24
 3.33.35.0/24
 3.33.40.0/23
+3.33.42.0/24
 3.33.43.0/24
 3.33.44.0/22
 3.34.0.0/15
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 5e840fdf..843c0818 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -45,9 +45,7 @@
 3.32.0.0/16
 3.33.128.0/17
 3.33.34.0/23
-3.33.40.0/23
-3.33.43.0/24
-3.33.44.0/22
+3.33.40.0/21
 3.34.0.0/15
 3.36.0.0/14
 3.4.0.0/22
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 949d1fad..877940de 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -467,6 +467,7 @@
 3.33.34.0/24
 3.33.35.0/24
 3.33.40.0/23
+3.33.42.0/24
 3.33.43.0/24
 3.33.44.0/22
 3.34.0.0/15
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 24c98c12..d43c3480 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -45,9 +45,7 @@
 3.32.0.0/16
 3.33.128.0/17
 3.33.34.0/23
-3.33.40.0/23
-3.33.43.0/24
-3.33.44.0/22
+3.33.40.0/21
 3.34.0.0/15
 3.36.0.0/14
 3.4.0.0/22