[{"mac_prefix":"A4:11:63:70","mask_bits":28,"block_type":"MA-M","organization":"SHENZHEN YIWANJIA INFORMATION TECHNOLOGY CO.,LTD","address":"Zone B,Floor 15,NO.2 Building,Yihe Road,Shilong Community,Shiyan Street,Baoan District Shenzhen  CN 518000","country":"CN"}]