[{"mac_prefix":"18:4F:5D","mask_bits":24,"block_type":"MA-L","organization":"Japan Radio Co., Ltd","address":"NAKANO CENTRAL PARK EAST 10-1, Nakano 4-chome Nakano-ku Tokyo JP 164-8570","country":"JP"},{"mac_prefix":"70:88:4D","mask_bits":24,"block_type":"MA-L","organization":"JAPAN RADIO CO., LTD.","address":"5-1-1 SHIMORENJYAKU, MITAKA-SHI, TOKYO  JP 181-8510","country":"JP"}]