diff --git a/sys/dev/mii/miidevs b/sys/dev/mii/miidevs
index 7cc88686950a..6bc07fa69908 100644
--- a/sys/dev/mii/miidevs
+++ b/sys/dev/mii/miidevs
@@ -52,6 +52,7 @@ $FreeBSD$
 oui AGERE			0x00a0bc	Agere Systems
 oui ALTIMA			0x0010a9	Altima Communications
 oui AMD				0x00001a	Advanced Micro Devices
+oui ASIX			0x00602e	Asix Semiconductor
 oui ATHEROS			0x001374	Atheros Communications
 oui BROADCOM			0x001018	Broadcom Corporation
 oui BROADCOM2			0x000af7	Broadcom Corporation
@@ -120,6 +121,9 @@ model AMD 79c973phy		0x0036 Am79c973 internal PHY
 model AMD 79c978		0x0039 Am79c978 HomePNA PHY
 model xxAMD 79C873		0x0000 Am79C873/DM9101 10/100 media interface
 
+/* Asix semiconductor PHYs. */
+model ASIX AX88X9X		0x0031 Ax88x9x internal PHY
+
 /* Atheros Communications/Attansic PHYs. */
 model ATHEROS F1		0x0001 Atheros F1 10/100/1000 PHY
 model ATHEROS F2		0x0002 Atheros F2 10/100 PHY