MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
PD
IEEE Registrant 5 Prefixes
Portrait Displays, Inc.
Portrait Displays, Inc. manages 5 unique MAC address prefixes. These prefixes have a total block size of 20.5 thousand addresses.
The allocation includes the following types: MA-S(MAC Address Block Small, previously named OUI-36, encompasses IAB assignments, 4,096 addresses each).
The company registered its MAC address allocation on 24 January 2020, and the most recent update was made on 15 April 2026. These allocations support network identification and communication globally.
Unique prefixes 5
Block Size 20475 (20.47 k)
First registration 24 January 2020
Last updated 15 April 2026
Entity Details
Unique prefixes 5
Block Size 20475 (20.47 k)
First registration 24 January 2020
Last updated 15 April 2026
Types
MA-S: Block Type
Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)Registered MAC Prefixes
All Organizationally Unique Identifiers and MAC ranges assigned to this vendor
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 70:B3:D5:D7:7 | MA-S | 2020-01-24 |
| 8C:1F:64:5D:6 | MA-S | 2022-10-11 |
| 8C:1F:64:89:3 | MA-S | 2026-04-15 |
| 8C:1F:64:90:3 | MA-S | 2021-04-28 |
| 8C:1F:64:F6:0 | MA-S | 2024-08-23 |