What this means
The IEEE assigned the MA-L block 00408D to THE GOODYEAR TIRE & RUBBER CO.. 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 00:40:8D, it is THE GOODYEAR TIRE & RUBBER CO. hardware.
Frequently Asked Questions
Who owns MAC prefix 00408D?
00408D is registered to THE GOODYEAR TIRE & RUBBER CO. 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. THE GOODYEAR TIRE & RUBBER CO.'s block covers 16,777,216 addresses.
What devices use 00408D?
Any network device with a MAC address starting 00:40:8D was manufactured by or for THE GOODYEAR TIRE & RUBBER CO..