Who owns MAC prefix E451A9?

E451A9 is registered to Nanjing Xinlian Electronics Co., Ltd in the IEEE MA-L registry.

What devices use E451A9?

Any network device with a MAC address starting E4:51:A9 was manufactured by or for Nanjing Xinlian Electronics Co., Ltd.

MA-L · OUI prefix

Nanjing Xinlian Electronics Co., Ltd

Any MAC address starting E4:51:A9 is registered to Nanjing Xinlian Electronics Co., Ltd in CN.

OUI prefix	E451A9
Vendor	Nanjing Xinlian Electronics Co., Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	E4:51:A9:00:00:00

What this means

The IEEE assigned the MA-L block E451A9 to Nanjing Xinlian Electronics 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 E4:51:A9, it is Nanjing Xinlian Electronics Co., Ltd hardware.

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