Who owns MAC prefix 5491AFB?

5491AFB is registered to Hyperconn Pte. ltd in the IEEE MA-M registry.

What devices use 5491AFB?

Any network device with a MAC address starting 54:91:AF:B was manufactured by or for Hyperconn Pte. ltd.

MA-M · OUI prefix

Hyperconn Pte. ltd

Any MAC address starting 54:91:AF:B is registered to Hyperconn Pte. ltd in SG.

OUI prefix	5491AFB
Vendor	Hyperconn Pte. ltd
Registry	MA-M (28-bit, medium block)
Country	SG
Example MAC	54:91:AF:B:00:00:00

What this means

The IEEE assigned the MA-M block 5491AFB to Hyperconn Pte. 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 54:91:AF:B, it is Hyperconn Pte. ltd hardware.

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