MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Adtran Inc
MAC address prefix 20:5F:3D is registered to Adtran Inc, located at Victory HouseVision ParkChivers WayHistonCambridge CB24 9ZRGB.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 10 May 2019, with the most recent update made on 08 November 2022.
OUI: 20:5F:3D
Vendor name: Adtran Inc
Address:
Assignment Type MA-L Victory House
Vision Park
Chivers Way
Histon
Cambridge CB24 9ZR
GB.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 08 November 2022
Initial registration: 10 May 2019
