Who owns MAC prefix 0018BF?

0018BF is registered to Essence Technology Solution, Inc. in the IEEE MA-L registry.

What devices use 0018BF?

Any network device with a MAC address starting 00:18:BF was manufactured by or for Essence Technology Solution, Inc..

MA-L · OUI prefix

Essence Technology Solution, Inc.

Any MAC address starting 00:18:BF is registered to Essence Technology Solution, Inc. in TW.

OUI prefix	0018BF
Vendor	Essence Technology Solution, Inc.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:18:BF:00:00:00

What this means

The IEEE assigned the MA-L block 0018BF to Essence Technology Solution, 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 00:18:BF, it is Essence Technology Solution, Inc. hardware.

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