What this means
The IEEE assigned the MA-L block 003D41 to Hatteland Computer 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 00:3D:41, it is Hatteland Computer AS hardware.
Frequently Asked Questions
Who owns MAC prefix 003D41?
003D41 is registered to Hatteland Computer 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. Hatteland Computer AS's block covers 16,777,216 addresses.
What devices use 003D41?
Any network device with a MAC address starting 00:3D:41 was manufactured by or for Hatteland Computer AS.