SHENZHEN TOPWELL TECHNOLOGY CO..LTD

OUI: 48:0B:B2:C

Range: 48:0B:B2:C0:00:00 - 48:0B:B2:CF:FF:FF

Block Size: 1048575 (1.04 M)

Universally administered addresses (UAA) : the address is uniquely assigned by its manufacturer.

Type of transmission: Unicast