Who owns MAC prefix 843F4E?

843F4E is registered to Tri-Tech Manufacturing, Inc. in the IEEE MA-L registry.

What devices use 843F4E?

Any network device with a MAC address starting 84:3F:4E was manufactured by or for Tri-Tech Manufacturing, Inc..

MA-L · OUI prefix

Tri-Tech Manufacturing, Inc.

Any MAC address starting 84:3F:4E is registered to Tri-Tech Manufacturing, Inc. in US.

OUI prefix	843F4E
Vendor	Tri-Tech Manufacturing, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	84:3F:4E:00:00:00

What this means

The IEEE assigned the MA-L block 843F4E to Tri-Tech Manufacturing, Inc.. 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 84:3F:4E, it is Tri-Tech Manufacturing, Inc. hardware.

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