[{"mac_prefix":"00:50:C2:8C:20","mask_bits":36,"block_type":"IAB","organization":"Access Control Systems JSC","address":"65, Serdobolskaya st. St-Petersburg  RU 197342","country":"RU"},{"mac_prefix":"70:B3:D5:1A:B0","mask_bits":36,"block_type":"MA-S","organization":"Access Control Systems JSC","address":"Bogatyrsky av. 18/1 office 505 Sankt-Peterburg  RU 197348","country":"RU"}]