Who owns MAC prefix 383A21E?

383A21E is registered to SDNware technology co.,LTD in the IEEE MA-M registry.

What devices use 383A21E?

Any network device with a MAC address starting 38:3A:21:E was manufactured by or for SDNware technology co.,LTD.

MA-M · OUI prefix

SDNware technology co.,LTD

Any MAC address starting 38:3A:21:E is registered to SDNware technology co.,LTD in CN.

OUI prefix	383A21E
Vendor	SDNware technology co.,LTD
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	38:3A:21:E:00:00:00

What this means

The IEEE assigned the MA-M block 383A21E to SDNware technology 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 38:3A:21:E, it is SDNware technology co.,LTD hardware.

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