diff --git a/data/inetnum/172.21.100.128_25 b/data/inetnum/172.21.100.128_25
new file mode 100644
index 000000000..2fd5aed0d
--- /dev/null
+++ b/data/inetnum/172.21.100.128_25
@@ -0,0 +1,10 @@
+inetnum:            172.21.100.128 - 172.23.182.255
+cidr:               172.21.100.128/25
+netname:            SUNNET-NETWORK
+descr:              SUNNET-NETWORK-IPV4
+country:            CN
+admin-c:            SUNNET-DN42
+tech-c:             SUNNET-DN42
+mnt-by:             SUNNET-MNT
+status:             ASSIGNED
+source:             DN42
\ No newline at end of file