[{"mac_prefix":"54:D7:51","mask_bits":24,"block_type":"MA-L","organization":"Proximus","address":"Bld du Roi Albert II 27 Brussels  BE 1030","country":"BE"},{"mac_prefix":"70:B3:D5:AA:60","mask_bits":36,"block_type":"MA-S","organization":"Proximus","address":"Bld du Roi Albert II 27 Brussels  BE 1030","country":"BE"}]