What this means
The IEEE assigned the MA-L block 342109 to Jensen Scandinavia 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 34:21:09, it is Jensen Scandinavia AS hardware.
Frequently Asked Questions
Who owns MAC prefix 342109?
342109 is registered to Jensen Scandinavia 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. Jensen Scandinavia AS's block covers 16,777,216 addresses.
What devices use 342109?
Any network device with a MAC address starting 34:21:09 was manufactured by or for Jensen Scandinavia AS.