[{"mac_prefix":"F4:2B:7D","mask_bits":24,"block_type":"MA-L","organization":"Chipsguide technology CO.,LTD.","address":"No.758 in DongHua Design House, Nan Guang Road, Nan Shan Tone, ShenZhen, Guangdong, China Shenzhen Guangdong CN 518002","country":"CN"},{"mac_prefix":"3C:39:E7:B0","mask_bits":28,"block_type":"MA-M","organization":"chipsguide technology Co.,LTD","address":"NanGuang road, DongHua design house 758 room Shenzhen Guangdong CN 518000","country":"CN"}]