Who owns MAC prefix 1CA0EF9?

1CA0EF9 is registered to Atlas Aerospace in the IEEE MA-M registry.

What devices use 1CA0EF9?

Any network device with a MAC address starting 1C:A0:EF:9 was manufactured by or for Atlas Aerospace.

MA-M · OUI prefix

Atlas Aerospace

Any MAC address starting 1C:A0:EF:9 is registered to Atlas Aerospace in LV.

OUI prefix	1CA0EF9
Vendor	Atlas Aerospace
Registry	MA-M (28-bit, medium block)
Country	LV
Example MAC	1C:A0:EF:9:00:00:00

What this means

The IEEE assigned the MA-M block 1CA0EF9 to Atlas Aerospace. 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 1C:A0:EF:9, it is Atlas Aerospace hardware.

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