[{"mac_prefix":"A4:4F:29:C0","mask_bits":28,"block_type":"MA-M","organization":"Shenzhen Huadoo Bright Group Limitied","address":"Room 13E, Jinsong Buiding, Tai ran 4th Rood, Chegong Miao,Futian Distrct Shenzhen Guangdong CN 51800","country":"CN"}]