What devices use 4CEF56?

Any network device with a MAC address starting 4C:EF:56 was manufactured by or for Shenzhen Sundray Technologies company Limited.

MA-L · OUI prefix

Shenzhen Sundray Technologies company Limited

Q: Who owns MAC prefix 4CEF56?

4CEF56 is registered to Shenzhen Sundray Technologies company Limited in the IEEE MA-L registry.

Any MAC address starting 4C:EF:56 is registered to Shenzhen Sundray Technologies company Limited in CN.

OUI prefix	4CEF56
Vendor	Shenzhen Sundray Technologies company Limited
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	4C:EF:56:00:00:00

What this means

The IEEE assigned the MA-L block 4CEF56 to Shenzhen Sundray Technologies company Limited. 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 4C:EF:56, it is Shenzhen Sundray Technologies company Limited hardware.

Other Shenzhen Sundray Technologies company Limited prefixes

Shenzhen Sundray Technologies company Limited holds 14 registered blocks in total.

102F6E 186F2D 202027 3CC801 600A8C 703A73 941457 98E301 9C3A9A A80CCA ACFC82 C8A23B all 14 »

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