What devices use 70B3D5FEF?

Any network device with a MAC address starting 70:B3:D5:FE:F was manufactured by or for HANGZHOU HUALAN MICROELECTRONIQUE CO.,LTD.

MA-S · OUI prefix

HANGZHOU HUALAN MICROELECTRONIQUE CO.,LTD

Q: Who owns MAC prefix 70B3D5FEF?

70B3D5FEF is registered to HANGZHOU HUALAN MICROELECTRONIQUE CO.,LTD in the IEEE MA-S registry.

Any MAC address starting 70:B3:D5:FE:F is registered to HANGZHOU HUALAN MICROELECTRONIQUE CO.,LTD in CN.

OUI prefix	70B3D5FEF
Vendor	HANGZHOU HUALAN MICROELECTRONIQUE CO.,LTD
Registry	MA-S (36-bit, small block)
Country	CN
Example MAC	70:B3:D5:FE:F:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5FEF to HANGZHOU HUALAN MICROELECTRONIQUE 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 70:B3:D5:FE:F, it is HANGZHOU HUALAN MICROELECTRONIQUE CO.,LTD hardware.

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