[{"mac_prefix":"2C:D8:AE","mask_bits":24,"block_type":"MA-L","organization":"Shenzhen SEI Robotics Co.,Ltd","address":"11th Floor, Kangtai Group Building, No. 222 Kefa Road, Science and Technology Park Community, Yuehai Street, Nanshan District, Shenzhen Shenzhen Guangdong CN 518000","country":"CN"},{"mac_prefix":"8C:98:06","mask_bits":24,"block_type":"MA-L","organization":"SHENZHEN SEI ROBOTICS CO.,LTD","address":"the 4th floor,Productivity Building D,#5 Hi-Tech Middle 2nd Road,Shenzhen Hi-Tech Industrial Park, Nanshan District,Shenzhen,China Shenzhen  CN 518000","country":"CN"},{"mac_prefix":"D4:CF:F9","mask_bits":24,"block_type":"MA-L","organization":"Shenzhen SEI Robotics Co.,Ltd","address":"501,Productivity Building A, #5 Hi-Tech Middle 2nd Road Shenzhen Guangdong CN 518057","country":"CN"},{"mac_prefix":"F0:2F:50","mask_bits":24,"block_type":"MA-L","organization":"Shenzhen SEI Robotics Co.,Ltd","address":"11th Floor, Kangtai Group Building, No. 222 Kefa Road, Science and Technology Park Community, Yuehai Street, Nanshan District, Shenzhen Shenzhen Guangdong CN 518000","country":"CN"}]