[{"mac_prefix":"1C:1A:1B","mask_bits":24,"block_type":"MA-L","organization":"Shanghai Sunmi Technology Co.,Ltd.","address":"Room 505, No.388 Song Hu Road, Yang Pu District, Shanghai, China Shanghai Shanghai CN 200433","country":"CN"},{"mac_prefix":"68:50:8C","mask_bits":24,"block_type":"MA-L","organization":"Shanghai Sunmi Technology Co.,Ltd.","address":"Room 505, KIC Plaza, No.388 Song Hu Road, Yang Pu District, Shanghai, China Shanghai Yang Pu District CN 200433","country":"CN"},{"mac_prefix":"74:F7:F6","mask_bits":24,"block_type":"MA-L","organization":"Shanghai Sunmi Technology Co.,Ltd.","address":"Room 505, KIC Plaza, No.388 Song Hu Road, Yang Pu District, Shanghai, China Shanghai Yang Pu District CN 200433","country":"CN"},{"mac_prefix":"B8:1B:CB","mask_bits":24,"block_type":"MA-L","organization":"Shanghai Sunmi Technology Co.,Ltd.","address":"Room 505, No.388 Song Hu Road, Yang Pu District, Shanghai, China Shanghai Shanghai CN 200433","country":"CN"}]