Who owns MAC prefix 40987B?

40987B is registered to Aisino Corporation in the IEEE MA-L registry.

What devices use 40987B?

Any network device with a MAC address starting 40:98:7B was manufactured by or for Aisino Corporation.

MA-L · OUI prefix

Aisino Corporation

Any MAC address starting 40:98:7B is registered to Aisino Corporation in CN.

OUI prefix	40987B
Vendor	Aisino Corporation
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	40:98:7B:00:00:00

What this means

The IEEE assigned the MA-L block 40987B to Aisino Corporation. 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 40:98:7B, it is Aisino Corporation hardware.

Other Aisino Corporation prefixes

Aisino Corporation holds 2 registered blocks in total.

409558

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