Who owns MAC prefix 000DBF?

000DBF is registered to TekTone Sound & Signal Mfg., Inc. in the IEEE MA-L registry.

What devices use 000DBF?

Any network device with a MAC address starting 00:0D:BF was manufactured by or for TekTone Sound & Signal Mfg., Inc..

MA-L · OUI prefix

TekTone Sound & Signal Mfg., Inc.

Any MAC address starting 00:0D:BF is registered to TekTone Sound & Signal Mfg., Inc. in US.

OUI prefix	000DBF
Vendor	TekTone Sound & Signal Mfg., Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:0D:BF:00:00:00

What this means

The IEEE assigned the MA-L block 000DBF to TekTone Sound & Signal Mfg., Inc.. 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:BF, it is TekTone Sound & Signal Mfg., Inc. hardware.

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