diff --git a/all/ipv4.txt b/all/ipv4.txt
index 1e7a65a3..66c2509d 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -458,6 +458,7 @@
 3.146.42.64/30
 3.146.43.0/25
 3.146.44.0/23
+3.147.164.0/22
 3.147.244.0/22
 3.160.0.0/14
 3.164.0.0/18
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 63d6b231..7884278a 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -458,6 +458,7 @@
 3.146.42.64/30
 3.146.43.0/25
 3.146.44.0/23
+3.147.164.0/22
 3.147.244.0/22
 3.160.0.0/14
 3.164.0.0/18