[{"mac_prefix":"00:01:FC","mask_bits":24,"block_type":"MA-L","organization":"Keyence Corporation","address":"1-3-14, Higashi-Nakajima,   JP","country":"JP"},{"mac_prefix":"74:95:A7","mask_bits":24,"block_type":"MA-L","organization":"Keyence Corporation","address":"1-3-14, Higashinakajima, Higashiyodogawa Osaka Osaka JP 5338555","country":"JP"}]