Vendor name: NamJunSa

MAC Prefix: A4:61:91

MAC Range: A4:61:91:00:00:00 - A4:61:91:FF:FF:FF

Type: MA-L

Address: 12, Gimhae-daero 2635 beon-gil
　　　　　Gimhae-si Gyeongsangnam-do 50932
　　　　　 KR