Who owns MAC prefix D4E5C9?

D4E5C9 is registered to Senao Networks Inc. in the IEEE MA-L registry.

What devices use D4E5C9?

Any network device with a MAC address starting D4:E5:C9 was manufactured by or for Senao Networks Inc..

MA-L · OUI prefix

Senao Networks Inc.

Any MAC address starting D4:E5:C9 is registered to Senao Networks Inc. in TW.

OUI prefix	D4E5C9
Vendor	Senao Networks Inc.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	D4:E5:C9:00:00:00

What this means

The IEEE assigned the MA-L block D4E5C9 to Senao Networks 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 D4:E5:C9, it is Senao Networks Inc. hardware.

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