diff --git a/all/ipv4.txt b/all/ipv4.txt
index c75c0e9f..2b04fb48 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -4504,6 +4504,7 @@
 16.50.0.0/15
 16.62.0.0/15
 18.100.0.0/15
+18.100.74.0/23
 18.102.0.0/16
 18.102.2.0/23
 18.116.0.0/14
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index a229f195..824f67d8 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -2177,6 +2177,7 @@
 16.50.0.0/15
 16.62.0.0/15
 18.100.0.0/15
+18.100.74.0/23
 18.102.0.0/16
 18.102.2.0/23
 18.116.0.0/14