diff --git a/ipv4/us.cidr b/ipv4/us.cidr
index f05c099f2..399bd1db6 100644
--- a/ipv4/us.cidr
+++ b/ipv4/us.cidr
@@ -1350,6 +1350,7 @@
 23.173.240.0/24
 23.173.248.0/24
 23.174.0.0/22
+23.174.4.0/24
 23.174.8.0/24
 23.174.16.0/24
 23.174.24.0/24
@@ -1367,6 +1368,7 @@
 23.174.136.0/24
 23.174.152.0/24
 23.174.160.0/23
+23.174.168.0/24
 23.174.176.0/24
 23.174.192.0/24
 23.174.208.0/24
diff --git a/ipv6/us.cidr b/ipv6/us.cidr
index 485a20f26..89fde94a2 100644
--- a/ipv6/us.cidr
+++ b/ipv6/us.cidr
@@ -966,6 +966,8 @@
 2602:817:a000::/44
 2602:817:b000::/44
 2602:817:d000::/36
+2602:f931::/40
+2602:f932::/40
 2602:f933::/36
 2602:f934::/36
 2602:f935::/40