[{"mac_prefix":"70:B3:D5:4B:90","mask_bits":36,"block_type":"MA-S","organization":"SHEN ZHEN TTK TECHNOLOGY CO,LTD","address":"8/F, Nan Yuan commerical Bldg,Minzhi,Long Hua town,Baoan,district,Shenzhen SHEN ZHEN  GuangDong CN 51813","country":"CN"}]