MAC Address Lookup

Adtran Inc 20:5F:3D

20:5F:3D is a 24-bit MA-L MAC address block registered to Adtran Inc in GB.

Vendor

Adtran Inc

MA-L · 24-bit
20:5F:3D

Unicast · Universally administered (U/L bit clear)

Matched prefix
20:5F:3D
Match
MA-L assignment
Address range
20:5F:3D:00:00:00 – 20:5F:3D:FF:FF:FF
Addresses in block
16,777,216
Country
GB
Organization address
Victory House, Vision Park, Chivers Way, Histon Cambridge GB CB24 9ZR
First registered
May 11, 2019

Formats

  • Plain hex 205F3D
  • Colon-separated 20:5F:3D
  • Hyphen-separated 20-5F-3D
  • Cisco dot notation 205F.3D

Prefix lineage

This prefix has changed hands. Dates are when each change was first observed in public registration data (runZero mac-tracker).

  1. Cambridge Communication Systems Ltd May 11, 2019
  2. Adtran, Inc Nov 1, 2022