[{"mac_prefix":"D0:F7:3B","mask_bits":24,"block_type":"MA-L","organization":"Helmut Mauell GmbH Werk Weida","address":"Am Rosenhügel 1-7 Velbert  DE 42553","country":"DE"},{"mac_prefix":"00:50:C2:0B:90","mask_bits":36,"block_type":"IAB","organization":"Helmut Mauell GmbH Werk Weida","address":"Am Rosenhugel 1-7 42553 Velbert  DE 0000","country":"DE"}]