Who owns MAC prefix 74E277?

74E277 is registered to Vizmonet Pte Ltd in the IEEE MA-L registry.

What devices use 74E277?

Any network device with a MAC address starting 74:E2:77 was manufactured by or for Vizmonet Pte Ltd.

MA-L · OUI prefix

Vizmonet Pte Ltd

Any MAC address starting 74:E2:77 is registered to Vizmonet Pte Ltd in SG.

OUI prefix	74E277
Vendor	Vizmonet Pte Ltd
Registry	MA-L (24-bit, large block)
Country	SG
Example MAC	74:E2:77:00:00:00

What this means

The IEEE assigned the MA-L block 74E277 to Vizmonet 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 74:E2:77, it is Vizmonet Pte Ltd hardware.

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