Who owns MAC prefix 0025C7?

0025C7 is registered to altek Corporation in the IEEE MA-L registry.

What devices use 0025C7?

Any network device with a MAC address starting 00:25:C7 was manufactured by or for altek Corporation.

MA-L · OUI prefix

altek Corporation

Any MAC address starting 00:25:C7 is registered to altek Corporation in TW.

OUI prefix	0025C7
Vendor	altek Corporation
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:25:C7:00:00:00

What this means

The IEEE assigned the MA-L block 0025C7 to altek Corporation. 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:C7, it is altek Corporation hardware.

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