Vendor name: M Seven System Ltd.

MAC Prefix: B8:D4:9D

MAC Range: B8:D4:9D:00:00:00 - B8:D4:9D:FF:FF:FF

Type: MA-L

Address: 24F, Trust Tower Bldg, 275-7, Yangjae2-Dong, Seocho-Gu
　　　　　Seoul 137-739
　　　　　 KR