MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Siemens AG Austria
Unique prefixes: 2
Block Size: 17825790 (17.82 M)
First registration: 05 June 2004
Last updated: 05 April 2018
Types
MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
MA-M: Mac Address Block Medium. Number of address 2^20 (~1 Million)
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 00:11:33 | MA-L | 2004-06-05 |
| CC:22:37:6 | MA-M | 2017-07-23 |