diff --git a/all/ipv4.txt b/all/ipv4.txt
index 43fdcb2f..bf958987 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -26,7 +26,6 @@
 1.178.64.0/24
 1.178.65.0/24
 1.178.72.0/21
-1.178.86.0/24
 1.178.88.0/24
 1.178.89.0/24
 1.178.90.0/24
@@ -36141,6 +36140,7 @@
 51.72.0.0/15
 51.72.26.64/28
 51.72.26.128/25
+51.72.56.0/22
 51.74.0.0/20
 51.74.16.0/24
 51.74.17.0/24
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 3bded35c..3cd4fb9a 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -4,7 +4,6 @@
 1.178.16.0/20
 1.178.64.0/23
 1.178.72.0/21
-1.178.86.0/24
 1.178.88.0/21
 1.178.100.0/22
 1.178.172.0/23
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 06aa2ff3..a3f9f1fb 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -26,7 +26,6 @@
 1.178.64.0/24
 1.178.65.0/24
 1.178.72.0/21
-1.178.86.0/24
 1.178.88.0/24
 1.178.89.0/24
 1.178.90.0/24
@@ -4114,6 +4113,7 @@
 51.72.0.0/15
 51.72.26.64/28
 51.72.26.128/25
+51.72.56.0/22
 51.74.0.0/20
 51.74.16.0/24
 51.74.17.0/24
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 4f4db4b4..38e29c89 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -4,7 +4,6 @@
 1.178.16.0/20
 1.178.64.0/23
 1.178.72.0/21
-1.178.86.0/24
 1.178.88.0/21
 1.178.100.0/22
 1.178.172.0/23