diff --git a/all/ipv4.txt b/all/ipv4.txt
index b87b205d..9f9f3f48 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -34580,7 +34580,6 @@
 51.224.194.0/23
 51.224.196.0/23
 51.224.254.0/23
-51.226.0.0/15
 52.0.0.0/15
 52.0.228.224/32
 52.2.0.0/15
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 244f9f5d..03dcdcef 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -902,7 +902,7 @@
 51.164.0.0/14
 51.168.0.0/15
 51.200.0.0/13
-51.224.0.0/14
+51.224.0.0/15
 52.0.0.0/11
 52.32.0.0/13
 52.40.0.0/14
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 1cb18456..7b531505 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -3772,7 +3772,6 @@
 51.224.194.0/23
 51.224.196.0/23
 51.224.254.0/23
-51.226.0.0/15
 52.0.0.0/15
 52.2.0.0/15
 52.4.0.0/14
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 2f68396f..76250ef2 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -641,7 +641,7 @@
 51.164.0.0/14
 51.168.0.0/15
 51.200.0.0/13
-51.224.0.0/14
+51.224.0.0/15
 52.0.0.0/11
 52.32.0.0/13
 52.40.0.0/14