What this means
The IEEE assigned the MA-L block 002528 to Daido Signal 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 00:25:28, it is Daido Signal Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 002528?
002528 is registered to Daido Signal 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. Daido Signal Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 002528?
Any network device with a MAC address starting 00:25:28 was manufactured by or for Daido Signal Co., Ltd..