[{"mac_prefix":"70:23:93","mask_bits":24,"block_type":"MA-L","organization":"Polytech A/S","address":"Thalkirchner Str. 210, Geb. 6 81371 München  DE    0","country":"DE"},{"mac_prefix":"70:B3:D5:F4:C0","mask_bits":36,"block_type":"MA-S","organization":"Polytech A/S","address":"HI Park 445 Herning Herning DK 7400","country":"DK"}]