MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
HA
IEEE Registrant 6 Prefixes
Hirschmann Automation and Control GmbH
Hirschmann Automation and Control GmbH manages 6 unique MAC address prefixes. These prefixes have a total block size of 100.7 million addresses.
The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each).
The company registered its MAC address allocation on 22 April 1998, and the most recent update was made on 06 January 2026. These allocations support network identification and communication globally.
Unique prefixes 6
Block Size 100663290 (100.66 M)
First registration 22 April 1998
Last updated 06 January 2026
Entity Details
Unique prefixes 6
Block Size 100663290 (100.66 M)
First registration 22 April 1998
Last updated 06 January 2026
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)