Who owns MAC prefix D01242?

D01242 is registered to BIOS Corporation in the IEEE MA-L registry.

What devices use D01242?

Any network device with a MAC address starting D0:12:42 was manufactured by or for BIOS Corporation.

MA-L · OUI prefix

BIOS Corporation

Any MAC address starting D0:12:42 is registered to BIOS Corporation in JP.

OUI prefix	D01242
Vendor	BIOS Corporation
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	D0:12:42:00:00:00

What this means

The IEEE assigned the MA-L block D01242 to BIOS 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 D0:12:42, it is BIOS Corporation hardware.

Look up another MAC