Vendor name: Adtran Inc

MAC Prefix: 20:5F:3D

MAC Range: 20:5F:3D:00:00:00 - 20:5F:3D:FF:FF:FF

Type: MA-L

Address: Victory House, Vision Park, Chivers Way, Histon
　　　　　Cambridge CB24 9ZR
　　　　　 GB