What this means
The IEEE assigned the MA-L block 0040DF to DIGALOG SYSTEMS, 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 00:40:DF, it is DIGALOG SYSTEMS, INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 0040DF?
0040DF is registered to DIGALOG SYSTEMS, 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. DIGALOG SYSTEMS, INC.'s block covers 16,777,216 addresses.
What devices use 0040DF?
Any network device with a MAC address starting 00:40:DF was manufactured by or for DIGALOG SYSTEMS, INC..