[{"mac_prefix":"8C:1F:64:69:60","mask_bits":36,"block_type":"MA-S","organization":"Emerson Rosemount Analytical","address":"8200 Market Blvd. Chanhassen MN US 55317-9687","country":"US"},{"mac_prefix":"8C:1F:64:9B:20","mask_bits":36,"block_type":"MA-S","organization":"Emerson Rosemount Analytical","address":"8200 Market Blvd. Chanhassen MN US 55317-9687","country":"US"},{"mac_prefix":"8C:1F:64:D0:10","mask_bits":36,"block_type":"MA-S","organization":"Emerson Rosemount Analytical","address":"8200 Market Blvd. Chanhassen  US 55317-9687","country":"US"}]