Who owns MAC prefix 281DAA?

281DAA is registered to ASTI India Private Limited in the IEEE MA-L registry.

What devices use 281DAA?

Any network device with a MAC address starting 28:1D:AA was manufactured by or for ASTI India Private Limited.

MA-L · OUI prefix

ASTI India Private Limited

Any MAC address starting 28:1D:AA is registered to ASTI India Private Limited in IN.

OUI prefix	281DAA
Vendor	ASTI India Private Limited
Registry	MA-L (24-bit, large block)
Country	IN
Example MAC	28:1D:AA:00:00:00

What this means

The IEEE assigned the MA-L block 281DAA to ASTI India Private Limited. 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 28:1D:AA, it is ASTI India Private Limited hardware.

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