MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
BT9
Unique prefixes: 2
Block Size: 16781310 (16.78 M)
First registration: 22 July 2018
Last updated: 17 February 2021
Types
MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 70:B3:D5:6B:8 | MA-S | 2018-07-22 |
| C4:74:69 | MA-L | 2021-02-17 |