Vendor name: T2T System

MAC Prefix: A4:DA:22:1

MAC Range: A4:DA:22:10:00:00 - A4:DA:22:1F:FF:FF

Type: MA-M

Address: #316, HYUNDAI Knowledge Industry Center, 70, Dusan-ro
　　　　　Geumcheon-gu Seoul 08584
　　　　　 KR