[{"mac_prefix":"90:E2:FC:B0","mask_bits":28,"block_type":"MA-M","organization":"Shenzhen Dingsheng Intelligent Technology Co., Ltd","address":"10/F Block C, Skyworth Building, Gaoxin South 1st Rd., Hi-Tech Park, Nanshan District Shenzhen Guangdong CN 518000","country":"CN"}]