MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
AT-Automation Technology GmbH
Unique prefixes: 4
Block Size: 16380 (16.38 k)
First registration: 21 February 2011
Last updated: 16 December 2021
Types
IAB: Individual Address Blocks. 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 |
|---|---|---|
| 00:50:C2:8E:D | IAB | 2011-02-21 |
| 70:B3:D5:02:8 | MA-S | 2016-02-18 |
| 70:B3:D5:34:5 | MA-S | 2018-12-16 |
| 8C:1F:64:69:E | MA-S | 2021-12-16 |