diff --git a/all/ipv4.txt b/all/ipv4.txt
index 199783c2..784cc17e 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -5780,7 +5780,7 @@
 16.78.0.0/16
 16.79.0.0/16
 16.154.0.0/15
-16.156.0.0/14
+16.156.0.0/15
 16.162.0.0/15
 16.162.52.0/24
 16.162.162.96/29
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 6af2acfe..c96bbbf6 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -353,7 +353,7 @@
 16.64.0.0/14
 16.78.0.0/15
 16.154.0.0/15
-16.156.0.0/14
+16.156.0.0/15
 16.162.0.0/15
 16.168.0.0/14
 16.176.0.0/14
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 15e3ab38..c8caa7ab 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -2090,7 +2090,7 @@
 16.78.0.0/16
 16.79.0.0/16
 16.154.0.0/15
-16.156.0.0/14
+16.156.0.0/15
 16.162.0.0/15
 16.162.52.0/24
 16.162.162.96/29
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 36b5a26f..2ee9ed28 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -317,7 +317,7 @@
 16.64.0.0/14
 16.78.0.0/15
 16.154.0.0/15
-16.156.0.0/14
+16.156.0.0/15
 16.162.0.0/15
 16.168.0.0/14
 16.176.0.0/14