MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Portrait Displays, Inc.
Unique prefixes: 2
Block Size: 8190 (8.19 k)
First registration: 24 January 2020
Last updated: 28 April 2021
MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)