What devices use 0055DA9?

Any network device with a MAC address starting 00:55:DA:9 was manufactured by or for Quantum Communication Technology Co., Ltd.,Anhui.

MA-M · OUI prefix

Quantum Communication Technology Co., Ltd.,Anhui

Q: Who owns MAC prefix 0055DA9?

0055DA9 is registered to Quantum Communication Technology Co., Ltd.,Anhui in the IEEE MA-M registry.

Any MAC address starting 00:55:DA:9 is registered to Quantum Communication Technology Co., Ltd.,Anhui in CN.

OUI prefix	0055DA9
Vendor	Quantum Communication Technology Co., Ltd.,Anhui
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	00:55:DA:9:00:00:00

What this means

The IEEE assigned the MA-M block 0055DA9 to Quantum Communication Technology Co., Ltd.,Anhui. 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 00:55:DA:9, it is Quantum Communication Technology Co., Ltd.,Anhui hardware.

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