[{"mac_prefix":"74:5B:C5:20","mask_bits":28,"block_type":"MA-M","organization":"SIGLENT TECHNOLOGIES CO., LTD.","address":"Blog No.4 \u0026 No.5, Antongda Industrial Zone, 3rd Liuxian Road, Bao’an District, Shenzhen, 518101, China. Shenzhen Guangdong CN 518101","country":"CN"}]