MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Physical Security Interoperability Alliance
Unique prefixes: 1
Block Size: 16777215 (16.77 M)
First registration: 20 October 2023
Types
CID: Company Identifier. This prefix will not be used for globally unique applications. Number of address 2^24 (~16 Million)
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 1A:90:21 | CID | 2023-10-20 |