[{"mac_prefix":"C4:CC:37:30","mask_bits":28,"block_type":"MA-M","organization":"Qingdao Goertek Intelligent Sensor Co.,Ltd","address":"F Building, Phase Ⅱ, Qingdao International Innovation Park, No. 1, Keyuanwei 1st Road Qingdao Shandong CN 266000","country":"CN"}]