diff --git a/ipv6/us.cidr b/ipv6/us.cidr
index 2010d684..cceb8213 100644
--- a/ipv6/us.cidr
+++ b/ipv6/us.cidr
@@ -968,6 +968,7 @@
 2602:817:b000::/44
 2602:817:d000::/36
 2602:818:d000::/40
+2602:f923::/36
 2602:f926::/40
 2602:f927::/36
 2602:f928::/36
@@ -5254,6 +5255,7 @@
 2607:a680::/32
 2607:a6c0::/32
 2607:a700::/32
+2607:a740::/32
 2607:a780::/32
 2607:a800::/32
 2607:a900::/32