[{"mac_prefix":"D4:BA:BA:B0","mask_bits":28,"block_type":"MA-M","organization":"Qingdao Vzense Technology Co., Ltd.","address":"3 Building, Qingdao Research Institute of Beihang University, No. 393 Songling Road, Laoshan District Qingdao Shandong CN 266000","country":"CN"}]