MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

 MAC

Portrait Displays, Inc.

Unique prefixes: 2

Block Size: 8190 (8.19 k)

First registration: 24 January 2020

Last updated: 28 April 2021

Types

MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

MAC PrefixTypeRegistration Date
70:B3:D5:D7:7MA-S2020-01-24
8C:1F:64:90:3MA-S2021-04-28