What this means
The IEEE assigned the MA-L block B0DD74 to Heimgard Technologies AS. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting B0:DD:74, it is Heimgard Technologies AS hardware.
Frequently Asked Questions
Who owns MAC prefix B0DD74?
B0DD74 is registered to Heimgard Technologies AS in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Heimgard Technologies AS's block covers 16,777,216 addresses.
What devices use B0DD74?
Any network device with a MAC address starting B0:DD:74 was manufactured by or for Heimgard Technologies AS.