[{"mac_prefix":"00:07:7C","mask_bits":24,"block_type":"MA-L","organization":"Westermo Network Technologies AB","address":"Stora Sundby Sweden  SE SE-640 40","country":"SE"},{"mac_prefix":"00:11:B4","mask_bits":24,"block_type":"MA-L","organization":"Westermo Network Technologies AB","address":"Stora Sundby Sweden  SE SE-640 40","country":"SE"},{"mac_prefix":"B4:56:F3","mask_bits":24,"block_type":"MA-L","organization":"Westermo Network Technologies AB","address":"Metallverksgatan 6 Vasteras  SE 721 30","country":"SE"}]