[{"mac_prefix":"4C:6E:44:A0","mask_bits":28,"block_type":"MA-M","organization":"Swistec GmbH","address":"Keldenicher Str. 18 Bornheim  DE 53332","country":"DE"},{"mac_prefix":"00:50:C2:60:50","mask_bits":36,"block_type":"IAB","organization":"Swistec GmbH","address":"Graue-Burg-Strasse 24-26 Bornheim  DE D-53332","country":"DE"}]