diff --git a/ipv6/br.cidr b/ipv6/br.cidr
index 16d317d57..179615c6b 100644
--- a/ipv6/br.cidr
+++ b/ipv6/br.cidr
@@ -5513,7 +5513,6 @@
 2804:57cc::/32
 2804:57d0::/32
 2804:57d4::/32
-2804:57d8::/32
 2804:57dc::/32
 2804:57e0::/32
 2804:57e4::/32
diff --git a/ipv6/do.cidr b/ipv6/do.cidr
index 2c48dd32d..133cc54db 100644
--- a/ipv6/do.cidr
+++ b/ipv6/do.cidr
@@ -58,6 +58,7 @@
 2803:5a10::/32
 2803:5a80::/32
 2803:5b10::/32
+2803:5b90::/32
 2803:6110::/32
 2803:6190::/32
 2803:6400::/32