What this means
The IEEE assigned the MA-L block 0001FF to Data Direct Networks, 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 00:01:FF, it is Data Direct Networks, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 0001FF?
0001FF is registered to Data Direct Networks, 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. Data Direct Networks, Inc.'s block covers 16,777,216 addresses.
What devices use 0001FF?
Any network device with a MAC address starting 00:01:FF was manufactured by or for Data Direct Networks, Inc..