Who owns MAC prefix 000287?

000287 is registered to Adapcom in the IEEE MA-L registry.

What devices use 000287?

Any network device with a MAC address starting 00:02:87 was manufactured by or for Adapcom.

MA-L · OUI prefix

Adapcom

Any MAC address starting 00:02:87 is registered to Adapcom in US.

OUI prefix	000287
Vendor	Adapcom
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:02:87:00:00:00

What this means

The IEEE assigned the MA-L block 000287 to Adapcom. 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 00:02:87, it is Adapcom hardware.

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