What this means
The IEEE assigned the MA-L block 58DB8D to Fast Co., Ltd.. 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 58:DB:8D, it is Fast Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 58DB8D?
58DB8D is registered to Fast Co., Ltd. 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. Fast Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 58DB8D?
Any network device with a MAC address starting 58:DB:8D was manufactured by or for Fast Co., Ltd..