Who owns MAC prefix 002581?

002581 is registered to x-star networks Inc. in the IEEE MA-L registry.

What devices use 002581?

Any network device with a MAC address starting 00:25:81 was manufactured by or for x-star networks Inc..

MA-L · OUI prefix

x-star networks Inc.

Any MAC address starting 00:25:81 is registered to x-star networks Inc. in TW.

OUI prefix	002581
Vendor	x-star networks Inc.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:25:81:00:00:00

What this means

The IEEE assigned the MA-L block 002581 to x-star networks Inc.. 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 00:25:81, it is x-star networks Inc. hardware.

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