Who owns MAC prefix 00D07D?

00D07D is registered to COSINE COMMUNICATIONS in the IEEE MA-L registry.

What devices use 00D07D?

Any network device with a MAC address starting 00:D0:7D was manufactured by or for COSINE COMMUNICATIONS.

MA-L · OUI prefix

COSINE COMMUNICATIONS

Any MAC address starting 00:D0:7D is registered to COSINE COMMUNICATIONS in US.

OUI prefix	00D07D
Vendor	COSINE COMMUNICATIONS
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:D0:7D:00:00:00

What this means

The IEEE assigned the MA-L block 00D07D to COSINE COMMUNICATIONS. 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:D0:7D, it is COSINE COMMUNICATIONS hardware.

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