Who owns MAC prefix 583879?

583879 is registered to RICOH COMPANY, LTD. in the IEEE MA-L registry.

What devices use 583879?

Any network device with a MAC address starting 58:38:79 was manufactured by or for RICOH COMPANY, LTD..

MA-L · OUI prefix

RICOH COMPANY, LTD.

Any MAC address starting 58:38:79 is registered to RICOH COMPANY, LTD. in JP.

OUI prefix	583879
Vendor	RICOH COMPANY, LTD.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	58:38:79:00:00:00

What this means

The IEEE assigned the MA-L block 583879 to RICOH COMPANY, 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 58:38:79, it is RICOH COMPANY, LTD. hardware.

Other RICOH COMPANY, LTD. prefixes

RICOH COMPANY, LTD. holds 3 registered blocks in total.

000074 002673

Look up another MAC