[{"mac_prefix":"F8:6D:73","mask_bits":24,"block_type":"MA-L","organization":"Zengge Co., Limited","address":"3/F, B Building, Second Laowei Industrial Zone, Longhua District Shenzhen Guangdong CN 518109","country":"CN"},{"mac_prefix":"F8:1D:78:60","mask_bits":28,"block_type":"MA-M","organization":"Zengge Co., Limited","address":"3/F, B Building, Second Laowei Industrial Zone, Longhua District Shenzhen Guangdong CN 518109","country":"CN"}]