[{"mac_prefix":"F4:20:55:C0","mask_bits":28,"block_type":"MA-M","organization":"Shenzhen Guangjian Technology Co.,Ltd","address":"Room 1905, Floor 19, Building B, Bojin Business Plaza, No. 1, Tairan 7th Road, Chegongmiao, Tian'an Community, Shatou Street, Futian District, Shenzhen Shenzhen  CN 518000","country":"CN"}]