What this means
The IEEE assigned the MA-L block 7CDD20 to IOXOS Technologies S.A.. 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 7C:DD:20, it is IOXOS Technologies S.A. hardware.
Frequently Asked Questions
Who owns MAC prefix 7CDD20?
7CDD20 is registered to IOXOS Technologies S.A. 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. IOXOS Technologies S.A.'s block covers 16,777,216 addresses.
What devices use 7CDD20?
Any network device with a MAC address starting 7C:DD:20 was manufactured by or for IOXOS Technologies S.A..