diff --git a/ipv4/in.cidr b/ipv4/in.cidr
index 201312988..11f637707 100644
--- a/ipv4/in.cidr
+++ b/ipv4/in.cidr
@@ -2524,6 +2524,7 @@
 103.120.241.0/24
 103.120.248.0/21
 103.121.0.0/22
+103.121.4.0/23
 103.121.26.0/23
 103.121.57.0/24
 103.121.68.0/22
diff --git a/ipv4/pk.cidr b/ipv4/pk.cidr
index b2216fdfb..03c94c3d5 100644
--- a/ipv4/pk.cidr
+++ b/ipv4/pk.cidr
@@ -204,6 +204,7 @@
 103.119.125.0/24
 103.120.70.0/23
 103.120.116.0/22
+103.121.6.0/23
 103.121.24.0/23
 103.121.28.0/22
 103.121.40.0/22