[{"mac_prefix":"A4:4F:29:B0","mask_bits":28,"block_type":"MA-M","organization":"GUANGDONG REAL-DESIGN INTELLIGENT TECHNOLOGY CO.,LTD","address":"No.1 Ruixiang Road,Fengxiang industrial Park,DaliangSub-district,Shunde district,Foshan City,Guangdong Foshan Guangdong CN 528300","country":"CN"}]