[{"mac_prefix":"E0:21:FE","mask_bits":24,"block_type":"MA-L","organization":"Richer Link Technologies CO.,LTD","address":"1001, Building 3, Chongwen Park, Nanshan ZhiYuan, Liuxian Avenue, Nanshan District, Shenzhen City, China. ShenZhen Guangdong CN 518000","country":"CN"}]