Who owns MAC prefix 001F04?

001F04 is registered to Granch Ltd. in the IEEE MA-L registry.

What devices use 001F04?

Any network device with a MAC address starting 00:1F:04 was manufactured by or for Granch Ltd..

MA-L · OUI prefix

Granch Ltd.

Any MAC address starting 00:1F:04 is registered to Granch Ltd. in RU.

OUI prefix	001F04
Vendor	Granch Ltd.
Registry	MA-L (24-bit, large block)
Country	RU
Example MAC	00:1F:04:00:00:00

What this means

The IEEE assigned the MA-L block 001F04 to Granch 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 00:1F:04, it is Granch Ltd. hardware.

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