diff --git a/amazon/ipv4.txt b/amazon/ipv4.txt
index 56585556..3fdc9849 100644
--- a/amazon/ipv4.txt
+++ b/amazon/ipv4.txt
@@ -4419,6 +4419,7 @@
 204.246.173.0/24
 204.246.174.0/23
 204.246.176.0/20
+204.45.0.0/16
 205.251.192.0/21
 205.251.200.0/21
 205.251.208.0/20
diff --git a/amazon/ipv4_merged.txt b/amazon/ipv4_merged.txt
index b2e0c798..b194f58e 100644
--- a/amazon/ipv4_merged.txt
+++ b/amazon/ipv4_merged.txt
@@ -1104,6 +1104,7 @@
 203.83.220.0/22
 204.236.128.0/17
 204.246.160.0/19
+204.45.0.0/16
 205.251.192.0/19
 205.251.224.0/20
 205.251.240.0/21