[{"mac_prefix":"E8:FF:1E:90","mask_bits":28,"block_type":"MA-M","organization":"Shenzhen Justinfo Technology Co.,Ltd","address":"Room 307, Building 10, Dayun Software Town, No.8288, Longgang Avenue, He'ao Community, Yuanshan Street, Longgang District Shenzhen  CN 518100","country":"CN"}]