[{"mac_prefix":"00:23:02","mask_bits":24,"block_type":"MA-L","organization":"Cobalt Digital, Inc.","address":"2406 East University Avenue Urbana IL US 61802","country":"US"},{"mac_prefix":"AC:83:F0","mask_bits":24,"block_type":"MA-L","organization":"Cobalt Digital Inc.","address":"2506 Galen Drive Champaign IL US 61821","country":"US"}]