[{"mac_prefix":"18:74:E2:E0","mask_bits":28,"block_type":"MA-M","organization":"G\u0026O Audio Co.,LTD","address":"3005, No.15-3, Haitian Road, Building C, N23 Excellence Times Square, Haiwang Community, Xin 'an Street, Bao 'an District Shenzhen  CN 518000","country":"CN"}]