Who owns MAC prefix 0025B7?

0025B7 is registered to Costar electronics, inc., in the IEEE MA-L registry.

What devices use 0025B7?

Any network device with a MAC address starting 00:25:B7 was manufactured by or for Costar electronics, inc.,.

MA-L · OUI prefix

Costar electronics, inc.,

Any MAC address starting 00:25:B7 is registered to Costar electronics, inc., in TW.

OUI prefix	0025B7
Vendor	Costar electronics, inc.,
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:25:B7:00:00:00

What this means

The IEEE assigned the MA-L block 0025B7 to Costar electronics, 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:B7, it is Costar electronics, inc., hardware.

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