diff --git a/all/ipv6.txt b/all/ipv6.txt
index e8792851..7faa714c 100644
--- a/all/ipv6.txt
+++ b/all/ipv6.txt
@@ -1825,6 +1825,7 @@
 2001:3fc3:6800::/40
 2001:3fc3:8800::/40
 2001:3fc3:a800::/40
+2001:3fc4:800::/40
 2001:3fc5:800::/40
 2001:3fc5:8800::/40
 2001:3fc6:0:100::/56
diff --git a/all/ipv6_merged.txt b/all/ipv6_merged.txt
index 99e4f5e6..7af53060 100644
--- a/all/ipv6_merged.txt
+++ b/all/ipv6_merged.txt
@@ -386,6 +386,7 @@
 2001:3fc3:6800::/40
 2001:3fc3:8800::/40
 2001:3fc3:a800::/40
+2001:3fc4:800::/40
 2001:3fc5:800::/40
 2001:3fc5:8800::/40
 2001:3fc6::/55
diff --git a/amazon/ipv6.txt b/amazon/ipv6.txt
index 9386da0c..4d343efe 100644
--- a/amazon/ipv6.txt
+++ b/amazon/ipv6.txt
@@ -358,6 +358,7 @@
 2001:3fc3:6800::/40
 2001:3fc3:8800::/40
 2001:3fc3:a800::/40
+2001:3fc4:800::/40
 2001:3fc5:800::/40
 2001:3fc5:8800::/40
 2001:3fc6:0:100::/56
diff --git a/amazon/ipv6_merged.txt b/amazon/ipv6_merged.txt
index e1516248..435a4c87 100644
--- a/amazon/ipv6_merged.txt
+++ b/amazon/ipv6_merged.txt
@@ -306,6 +306,7 @@
 2001:3fc3:6800::/40
 2001:3fc3:8800::/40
 2001:3fc3:a800::/40
+2001:3fc4:800::/40
 2001:3fc5:800::/40
 2001:3fc5:8800::/40
 2001:3fc6::/55