Who owns MAC prefix B4A305?

B4A305 is registered to XIAMEN YAXON NETWORK CO., LTD. in the IEEE MA-L registry.

What devices use B4A305?

Any network device with a MAC address starting B4:A3:05 was manufactured by or for XIAMEN YAXON NETWORK CO., LTD..

MA-L · OUI prefix

XIAMEN YAXON NETWORK CO., LTD.

Any MAC address starting B4:A3:05 is registered to XIAMEN YAXON NETWORK CO., LTD. in CN.

OUI prefix	B4A305
Vendor	XIAMEN YAXON NETWORK CO., LTD.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	B4:A3:05:00:00:00

What this means

The IEEE assigned the MA-L block B4A305 to XIAMEN YAXON NETWORK 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 B4:A3:05, it is XIAMEN YAXON NETWORK CO., LTD. hardware.

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