[{"mac_prefix":"04:EE:E8:A0","mask_bits":28,"block_type":"MA-M","organization":"Shenzhen JoiningFree Technology Co.,Ltd","address":"16F, Block C, Qifengda Building, Taohuayuan Science and Technology Innovation Park, Furong Road, Songgang Street, Baoan District, Shenzhen Guangdong CN 518110","country":"CN"}]