Vendor name: Chung Nam Electronic Co., Ltd.

MAC Prefix: 00:05:7B

MAC Range: 00:05:7B:00:00:00 - 00:05:7B:FF:FF:FF

Type: MA-L

Address: Unit 3, 1/F, Festigood Centre
　　　　　Tsuen Fanling,
　　　　　 HK