[{"mac_prefix":"F4:ED:5F","mask_bits":24,"block_type":"MA-L","organization":"SHENZHEN KTC TECHNOLOGY GROUP","address":"Wuhe Street Shenzhen Guangdong CN 518129","country":"CN"},{"mac_prefix":"B0:C5:CA:70","mask_bits":28,"block_type":"MA-M","organization":"SHENZHEN KTC TECHNOLOGY GROUP","address":"Northern Wuhe Road,Banxuegang Industry Area,Buji,Shenzhen,China Shenzhen Guangdong CN 518129","country":"CN"}]