diff --git a/ipv4/us.cidr b/ipv4/us.cidr
index f9f0057dd..0e23af6f5 100644
--- a/ipv4/us.cidr
+++ b/ipv4/us.cidr
@@ -761,6 +761,8 @@
 23.180.48.0/24
 23.180.112.0/24
 23.180.128.0/24
+23.180.144.0/24
+23.180.176.0/24
 23.180.192.0/24
 23.181.64.0/24
 23.181.192.0/24
diff --git a/ipv6/us.cidr b/ipv6/us.cidr
index d0c785854..cffa8b450 100644
--- a/ipv6/us.cidr
+++ b/ipv6/us.cidr
@@ -622,6 +622,9 @@
 2602:80a:8000::/44
 2602:80a:9000::/44
 2602:80a:a000::/40
+2602:80a:b000::/40
+2602:fc71::/36
+2602:fc72::/36
 2602:fc73::/36
 2602:fc75::/36
 2602:fc76::/36
@@ -3227,6 +3230,7 @@
 2606:5200::/32
 2606:5240::/32
 2606:5280::/32
+2606:52c0::/32
 2606:5380::/32
 2606:5400::/32
 2606:5500::/32
@@ -6814,7 +6818,7 @@
 2620:1b6::/36
 2620:1b8::/31
 2620:1ba::/36
-2620:1bc::/32
+2620:1bc::/31
 2620:1c0::/32
 2620:1d0::/31
 2620:1d3::/32