diff --git a/all/ipv4.txt b/all/ipv4.txt
index 050ca133..ebeb32f3 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -23391,7 +23391,7 @@
 51.11.97.88/29
 51.11.97.96/27
 51.11.98.64/29
-51.112.0.0/15
+51.112.0.0/16
 51.116.0.0/18
 51.116.0.0/32
 51.116.1.237/32
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index faab3c58..b16ba661 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -1256,7 +1256,7 @@
 51.104.0.0/15
 51.107.0.0/16
 51.11.0.0/16
-51.112.0.0/15
+51.112.0.0/16
 51.116.0.0/16
 51.118.0.0/15
 51.12.0.0/18
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 6b66908d..def008f7 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -2940,7 +2940,7 @@
 50.18.0.0/16
 50.19.0.0/16
 51.100.0.0/15
-51.112.0.0/15
+51.112.0.0/16
 51.118.0.0/15
 51.16.0.0/15
 51.20.0.0/14
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index c7452eeb..be6e7d03 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -443,7 +443,7 @@
 50.112.0.0/16
 50.16.0.0/14
 51.100.0.0/15
-51.112.0.0/15
+51.112.0.0/16
 51.118.0.0/15
 51.16.0.0/15
 51.20.0.0/14