Who owns MAC prefix 00207D?

00207D is registered to ADVANCED COMPUTER APPLICATIONS in the IEEE MA-L registry.

What devices use 00207D?

Any network device with a MAC address starting 00:20:7D was manufactured by or for ADVANCED COMPUTER APPLICATIONS.

MA-L · OUI prefix

ADVANCED COMPUTER APPLICATIONS

Any MAC address starting 00:20:7D is registered to ADVANCED COMPUTER APPLICATIONS in US.

OUI prefix	00207D
Vendor	ADVANCED COMPUTER APPLICATIONS
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:20:7D:00:00:00

What this means

The IEEE assigned the MA-L block 00207D to ADVANCED COMPUTER APPLICATIONS. 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 00:20:7D, it is ADVANCED COMPUTER APPLICATIONS hardware.

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