MAC Address Lookup


AT&T, Inc.

MAC prefix: DA:2B:DD

Vendor name: AT&T, Inc.

MAC range: DA:2B:DD:00:00:00 - DA:2B:DD:FF:FF:FF

Block Size: 16777215 (16.77 M)


4509 Friedrich Lane
Bldg 3
Austin 78744

Type CID

Company Identifier. This prefix will not be used for globally unique applications. Number of address 2^24 (~16 Million)


This MAC can be transmitted when a device is not associated with an access point. In this case, it can be considered randomized.

Initial registration: 25 February 2016

Country US map