Who owns MAC prefix 4881D4?

4881D4 is registered to Ruijie Networks Co.,LTD in the IEEE MA-L registry.

What devices use 4881D4?

Any network device with a MAC address starting 48:81:D4 was manufactured by or for Ruijie Networks Co.,LTD.

MA-L · OUI prefix

Ruijie Networks Co.,LTD

Any MAC address starting 48:81:D4 is registered to Ruijie Networks Co.,LTD in CN.

OUI prefix	4881D4
Vendor	Ruijie Networks Co.,LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	48:81:D4:00:00:00

What this means

The IEEE assigned the MA-L block 4881D4 to Ruijie Networks 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 48:81:D4, it is Ruijie Networks Co.,LTD hardware.

Other Ruijie Networks Co.,LTD prefixes

Ruijie Networks Co.,LTD holds 34 registered blocks in total.

00749C 105F02 10823D 14144B 28D0F5 300D9E 4C4968 541651 800588 5423E3 58696C 58B4BB all 34 »

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