What this means
The IEEE assigned the MA-L block 000674 to Spectrum Control, Inc.. 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 00:06:74, it is Spectrum Control, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 000674?
000674 is registered to Spectrum Control, Inc. 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. Spectrum Control, Inc.'s block covers 16,777,216 addresses.
What devices use 000674?
Any network device with a MAC address starting 00:06:74 was manufactured by or for Spectrum Control, Inc..