[{"mac_prefix":"70:B3:D5:DF:50","mask_bits":36,"block_type":"MA-S","organization":"Beijing Huanyu Zhilian Science \u0026Technology Co., Ltd.","address":"2/F 202-030, Building 2, No. 1, Gaolizhang Road, Haidian District,Beijing Beijing Beijing CN 100095","country":"CN"}]