What this means
The IEEE assigned the MA-M block DC36439 to Hefei EA Excelsior Information Security Co., Ltd.. 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 DC:36:43:9, it is Hefei EA Excelsior Information Security Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix DC36439?
DC36439 is registered to Hefei EA Excelsior Information Security Co., Ltd. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Hefei EA Excelsior Information Security Co., Ltd.'s block covers 1,048,576 addresses.
What devices use DC36439?
Any network device with a MAC address starting DC:36:43:9 was manufactured by or for Hefei EA Excelsior Information Security Co., Ltd..