What this means
The IEEE assigned the MA-L block D89136 to Dover Fueling Solutions. 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 D8:91:36, it is Dover Fueling Solutions hardware.
Frequently Asked Questions
Who owns MAC prefix D89136?
D89136 is registered to Dover Fueling Solutions 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. Dover Fueling Solutions's block covers 16,777,216 addresses.
What devices use D89136?
Any network device with a MAC address starting D8:91:36 was manufactured by or for Dover Fueling Solutions.