[{"mac_prefix":"00:50:C2:F3:C0","mask_bits":36,"block_type":"IAB","organization":"Vemco Sp. z o. o.","address":"ul. Biala 1 Gdansk  PL 80-435","country":"PL"},{"mac_prefix":"70:B3:D5:D4:50","mask_bits":36,"block_type":"MA-S","organization":"Vemco Sp. z o. o.","address":"ul. Biala 1 Gdansk  PL 80-435","country":"PL"}]