[{"mac_prefix":"F4:20:55:E0","mask_bits":28,"block_type":"MA-M","organization":"Shenzhen Keyking Technology Limited","address":"Floor10, Block B, Keyking Hi-Tech Park, 12th, Shangwei Industrial 1st RD, Guanhu Town, Longhua District ShenZhen GuangDong CN 518110","country":"CN"}]