[{"mac_prefix":"48:E6:C6:40","mask_bits":28,"block_type":"MA-M","organization":"Shenzhen ZK Technology CO.,LTD.","address":"Shenzhen Overseas (Longgang) Innovation Park,Room323,Building No.1,Huanggekeng Community, Longcheng Street,Longgang District,Shenzhen City,518000,China Shenzhen Guangdong CN 518000","country":"CN"}]