Who owns MAC prefix 8C1F640DE?

8C1F640DE is registered to ACE TECH in the IEEE MA-S registry.

What devices use 8C1F640DE?

Any network device with a MAC address starting 8C:1F:64:0D:E was manufactured by or for ACE TECH.

MA-S · OUI prefix

ACE TECH

Any MAC address starting 8C:1F:64:0D:E is registered to ACE TECH in KR.

OUI prefix	8C1F640DE
Vendor	ACE TECH
Registry	MA-S (36-bit, small block)
Country	KR
Example MAC	8C:1F:64:0D:E:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F640DE to ACE TECH. 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 8C:1F:64:0D:E, it is ACE TECH hardware.

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