[{"mac_prefix":"50:A0:30:50","mask_bits":28,"block_type":"MA-M","organization":"Jiangsu Jinshi Legend Technology Co.,Ltd","address":"North-2, floor 13, building A3, No. 8, Bailongjiang East Street, Xincheng Science Park, Jianye District, Nanjing Nanjing  CN 210005","country":"CN"}]