[{"mac_prefix":"00:90:D6","mask_bits":24,"block_type":"MA-L","organization":"Crystal Group, Inc.","address":"850 KACENA RD. HIAWATHA IA US 52233","country":"US"},{"mac_prefix":"00:91:D6","mask_bits":24,"block_type":"MA-L","organization":"Crystal Group, Inc.","address":"850 Kacena Rd. Hiawatha IA US 52233","country":"US"}]