Vendor name: Guangzhou Skytone Transmission Technology Com. Ltd.

MAC Prefix: 00:21:4D

MAC Range: 00:21:4D:00:00:00 - 00:21:4D:FF:FF:FF

Type: MA-L

Address: 3/F West, Block 4, Huangzhou
　　　　　Guangzhou Guangdong 510660
　　　　　 CN