[{"mac_prefix":"90:F4:21:30","mask_bits":28,"block_type":"MA-M","organization":"Sinpeng(Guangzhou)Technology Co.,Ltd","address":"Room 601, Haige Wireless Technology Building, No.8 Nanxiang Third Road, Science City, Huangpu District, Guangzhou Guangzhou Guangdong CN 510000","country":"CN"}]