[{"mac_prefix":"C0:48:2F:E0","mask_bits":28,"block_type":"MA-M","organization":"Shenzhen Guan Chen Electronic Co.,LTD","address":"No. 152, Zhongtai Street, Guangming New District, Shenzhen City, Guangdong Province,China 5181001 Shenzhen Guangdong CN 518001","country":"CN"}]