Who owns MAC prefix 000DBB?

000DBB is registered to Nippon Dentsu Co.,Ltd. in the IEEE MA-L registry.

What devices use 000DBB?

Any network device with a MAC address starting 00:0D:BB was manufactured by or for Nippon Dentsu Co.,Ltd..

MA-L · OUI prefix

Nippon Dentsu Co.,Ltd.

Any MAC address starting 00:0D:BB is registered to Nippon Dentsu Co.,Ltd. in JP.

OUI prefix	000DBB
Vendor	Nippon Dentsu Co.,Ltd.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:0D:BB:00:00:00

What this means

The IEEE assigned the MA-L block 000DBB to Nippon Dentsu 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 00:0D:BB, it is Nippon Dentsu Co.,Ltd. hardware.

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