[{"mac_prefix":"D8:97:90","mask_bits":24,"block_type":"MA-L","organization":"Commonwealth Scientific and Industrial Research Organisation","address":"GPO Box 1700 Canberra ACT AU 2601","country":"AU"},{"mac_prefix":"00:1B:C5:01:B0","mask_bits":36,"block_type":"MA-S","organization":"Commonwealth Scientific and Industrial  Research Organisation","address":"PO Box 883 Kenmore Queensland AU 4069","country":"AU"}]