Who owns MAC prefix 0025DD?

0025DD is registered to SUNNYTEK INFORMATION CO., LTD. in the IEEE MA-L registry.

What devices use 0025DD?

Any network device with a MAC address starting 00:25:DD was manufactured by or for SUNNYTEK INFORMATION CO., LTD..

MA-L · OUI prefix

SUNNYTEK INFORMATION CO., LTD.

Any MAC address starting 00:25:DD is registered to SUNNYTEK INFORMATION CO., LTD. in TW.

OUI prefix	0025DD
Vendor	SUNNYTEK INFORMATION CO., LTD.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:25:DD:00:00:00

What this means

The IEEE assigned the MA-L block 0025DD to SUNNYTEK INFORMATION 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:DD, it is SUNNYTEK INFORMATION CO., LTD. hardware.

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