What this means
The IEEE assigned the MA-L block 845787 to DVR C&C 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 84:57:87, it is DVR C&C Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 845787?
845787 is registered to DVR C&C Co., Ltd. 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. DVR C&C Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 845787?
Any network device with a MAC address starting 84:57:87 was manufactured by or for DVR C&C Co., Ltd..