[{"mac_prefix":"8C:1F:64:98:80","mask_bits":36,"block_type":"MA-S","organization":"Nortek(QingDao) Measuring Equipment Co., Ltd","address":"18A2, Yingdelong Buliding,No.15 Donghaixi Rd, Qingdao P.R.China QingDao ShanDong CN 266000","country":"CN"}]