[{"mac_prefix":"A4:4F:3E:80","mask_bits":28,"block_type":"MA-M","organization":"Neurable","address":"45 Bromfield St Boston  US 02108","country":"US"},{"mac_prefix":"8C:1F:64:B9:20","mask_bits":36,"block_type":"MA-S","organization":"Neurable","address":"45 Bromfield St Chicago IL US 60641","country":"US"}]