Who owns MAC prefix 001F99?

001F99 is registered to SERONICS co.ltd in the IEEE MA-L registry.

What devices use 001F99?

Any network device with a MAC address starting 00:1F:99 was manufactured by or for SERONICS co.ltd.

MA-L · OUI prefix

SERONICS co.ltd

Any MAC address starting 00:1F:99 is registered to SERONICS co.ltd in KR.

OUI prefix	001F99
Vendor	SERONICS co.ltd
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	00:1F:99:00:00:00

What this means

The IEEE assigned the MA-L block 001F99 to SERONICS 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 00:1F:99, it is SERONICS co.ltd hardware.

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