Who owns MAC prefix AC919B?

AC919B is registered to WNC Corporation in the IEEE MA-L registry.

What devices use AC919B?

Any network device with a MAC address starting AC:91:9B was manufactured by or for WNC Corporation.

MA-L · OUI prefix

WNC Corporation

Any MAC address starting AC:91:9B is registered to WNC Corporation in TW.

OUI prefix	AC919B
Vendor	WNC Corporation
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	AC:91:9B:00:00:00

What this means

The IEEE assigned the MA-L block AC919B to WNC 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 AC:91:9B, it is WNC Corporation hardware.

Other WNC Corporation prefixes

WNC Corporation holds 50 registered blocks in total.

000B6B 001BB1 04B3C9 10E8A7 1CD6BE 205843 2441FE 28047A 2824FF 282E89 2C9FFB 2CDCAD all 50 »

Look up another MAC