Who owns MAC prefix 0000B8?

0000B8 is registered to SEIKOSHA CO., LTD. in the IEEE MA-L registry.

What devices use 0000B8?

Any network device with a MAC address starting 00:00:B8 was manufactured by or for SEIKOSHA CO., LTD..

MA-L · OUI prefix

SEIKOSHA CO., LTD.

Any MAC address starting 00:00:B8 is registered to SEIKOSHA CO., LTD. in JP.

OUI prefix	0000B8
Vendor	SEIKOSHA CO., LTD.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:00:B8:00:00:00

What this means

The IEEE assigned the MA-L block 0000B8 to SEIKOSHA 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 00:00:B8, it is SEIKOSHA CO., LTD. hardware.

Look up another MAC