Who owns MAC prefix 645EBE?

645EBE is registered to Yahoo! JAPAN in the IEEE MA-L registry.

What devices use 645EBE?

Any network device with a MAC address starting 64:5E:BE was manufactured by or for Yahoo! JAPAN.

MA-L · OUI prefix

Yahoo! JAPAN

Any MAC address starting 64:5E:BE is registered to Yahoo! JAPAN in JP.

OUI prefix	645EBE
Vendor	Yahoo! JAPAN
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	64:5E:BE:00:00:00

What this means

The IEEE assigned the MA-L block 645EBE to Yahoo! JAPAN. 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 64:5E:BE, it is Yahoo! JAPAN hardware.

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