What this means
The IEEE assigned the MA-L block 001338 to FRESENIUS-VIAL. 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 00:13:38, it is FRESENIUS-VIAL hardware.
Frequently Asked Questions
Who owns MAC prefix 001338?
001338 is registered to FRESENIUS-VIAL 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. FRESENIUS-VIAL's block covers 16,777,216 addresses.
What devices use 001338?
Any network device with a MAC address starting 00:13:38 was manufactured by or for FRESENIUS-VIAL.