diff --git a/all/ipv4.txt b/all/ipv4.txt
index b97d8c4f..ce0ad7c1 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -5957,6 +5957,8 @@
 18.246.120.0/22
 18.246.148.128/25
 18.246.151.0/25
+18.246.181.0/24
+18.246.182.0/23
 18.252.0.0/16
 18.252.4.0/30
 18.252.4.16/29
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 6f84397b..f87955fd 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -2897,6 +2897,8 @@
 18.246.120.0/22
 18.246.148.128/25
 18.246.151.0/25
+18.246.181.0/24
+18.246.182.0/23
 18.252.0.0/16
 18.252.4.0/30
 18.252.4.16/29