[{"mac_prefix":"58:BA:D3","mask_bits":24,"block_type":"MA-L","organization":"NANJING CASELA TECHNOLOGIES CORPORATION LIMITED","address":"9 Fl, Bldg. C, Optoelectric Science \u0026 Technology Park,  No. 6 Yuhe Road Nanjing Jiangbei New Area CN 211800","country":"CN"}]