Vendor name: Kontrolnext Technology (Beijing) Ltd.

MAC Prefix: B0:3B:1B

MAC Range: B0:3B:1B:00:00:00 - B0:3B:1B:FF:FF:FF

Type: MA-L

Address: Room 703, 7/F, Building No.16, Shixing Avenue 30#, Shijingshan District
　　　　　Beijing 100041
　　　　　 CN