[{"mac_prefix":"30:43:D7:60","mask_bits":28,"block_type":"MA-M","organization":"Sprocomm Technologies Co., Ltd.Guangming Branch","address":"Area A 3rd Floor, Area A 5rd Floor and 6th Floor, 301, building 2, 7th Industrial Park, Yulv Community,Yutang Street, Guangming District,  Shenzhen  CN 518000","country":"CN"}]