diff --git a/all/ipv4.txt b/all/ipv4.txt
index dc2a7672..3d76b180 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
@@ -9907,6 +9906,7 @@
 16.66.0.0/16
 16.66.4.0/22
 16.66.84.0/23
+16.66.86.0/23
 16.67.0.0/16
 16.71.0.0/18
 16.71.64.0/18
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 4adfdee3..ea4435cf 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 088910db..da164630 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
@@ -2729,6 +2728,7 @@
 16.66.0.0/16
 16.66.4.0/22
 16.66.84.0/23
+16.66.86.0/23
 16.67.0.0/16
 16.71.0.0/18
 16.71.64.0/18
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 0433aef3..d646b17b 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