Who owns MAC prefix A0218B?

A0218B is registered to ACE Antenna Co., ltd in the IEEE MA-L registry.

What devices use A0218B?

Any network device with a MAC address starting A0:21:8B was manufactured by or for ACE Antenna Co., ltd.

MA-L · OUI prefix

ACE Antenna Co., ltd

Any MAC address starting A0:21:8B is registered to ACE Antenna Co., ltd in VN.

OUI prefix	A0218B
Vendor	ACE Antenna Co., ltd
Registry	MA-L (24-bit, large block)
Country	VN
Example MAC	A0:21:8B:00:00:00

What this means

The IEEE assigned the MA-L block A0218B to ACE Antenna Co., ltd. 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 A0:21:8B, it is ACE Antenna Co., ltd hardware.

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