[{"mac_prefix":"00:90:B5","mask_bits":24,"block_type":"MA-L","organization":"NIKON CORPORATION","address":"Electronic Imaging Division, Designing D TOKYO 140-8601  JP","country":"JP"},{"mac_prefix":"3C:BE:E1","mask_bits":24,"block_type":"MA-L","organization":"NIKON CORPORATION","address":"Shinagawa Intercity Tower C, 2-15-3, Konan Minato-ku Tokyo JP 108-6290","country":"JP"}]