diff --git a/all/ipv4.txt b/all/ipv4.txt
index 74deaac4..d552dcdd 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -3633,6 +3633,10 @@
 15.230.131.162/31
 15.230.131.164/31
 15.230.131.166/31
+15.230.131.168/31
+15.230.131.170/31
+15.230.131.172/31
+15.230.131.174/31
 15.230.131.2/32
 15.230.131.3/32
 15.230.131.32/28
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 567a8a96..cab4115c 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -262,7 +262,7 @@
 15.230.130.0/24
 15.230.131.0/25
 15.230.131.128/27
-15.230.131.160/29
+15.230.131.160/28
 15.230.132.0/24
 15.230.133.0/28
 15.230.133.16/29
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 4dad77d6..e9b658ca 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -1408,6 +1408,10 @@
 15.230.131.162/31
 15.230.131.164/31
 15.230.131.166/31
+15.230.131.168/31
+15.230.131.170/31
+15.230.131.172/31
+15.230.131.174/31
 15.230.131.2/32
 15.230.131.3/32
 15.230.131.32/28
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 219ae9d6..8bae76c4 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -169,7 +169,7 @@
 15.230.130.0/24
 15.230.131.0/25
 15.230.131.128/27
-15.230.131.160/29
+15.230.131.160/28
 15.230.132.0/24
 15.230.133.0/28
 15.230.133.16/29