Vendor name: Sammi Onformation Systems

MAC Prefix: D4:7C:44:4

MAC Range: D4:7C:44:40:00:00 - D4:7C:44:4F:FF:FF

Type: MA-M

Address: Gasan Digital 1-ro 212
　　　　　Geumcheon-gu Seoul 08502
　　　　　 KR