diff --git a/all/ipv4.txt b/all/ipv4.txt
index 1603dc07..5e9f11b0 100644
--- a/all/ipv4.txt
+++ b/all/ipv4.txt
@@ -91,6 +91,7 @@
 3.5.164.0/22
 3.5.168.0/23
 3.5.172.0/22
+3.5.204.0/22
 3.5.208.0/22
 3.5.212.0/23
 3.5.216.0/22
diff --git a/all/ipv4_merged.txt b/all/ipv4_merged.txt
index 2f219f05..77fef269 100644
--- a/all/ipv4_merged.txt
+++ b/all/ipv4_merged.txt
@@ -48,6 +48,7 @@
 3.5.160.0/21
 3.5.168.0/23
 3.5.172.0/22
+3.5.204.0/22
 3.5.208.0/22
 3.5.212.0/23
 3.5.216.0/21
diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 859aaba9..0a87d773 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -91,6 +91,7 @@
 3.5.164.0/22
 3.5.168.0/23
 3.5.172.0/22
+3.5.204.0/22
 3.5.208.0/22
 3.5.212.0/23
 3.5.216.0/22
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index 0837f35c..a8a66e2a 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -48,6 +48,7 @@
 3.5.160.0/21
 3.5.168.0/23
 3.5.172.0/22
+3.5.204.0/22
 3.5.208.0/22
 3.5.212.0/23
 3.5.216.0/21