What devices use 0023C9?

Any network device with a MAC address starting 00:23:C9 was manufactured by or for Sichuan Tianyi Information Science & Technology Stock CO.,LTD.

MA-L · OUI prefix

Sichuan Tianyi Information Science & Technology Stock CO.,LTD

Q: Who owns MAC prefix 0023C9?

0023C9 is registered to Sichuan Tianyi Information Science & Technology Stock CO.,LTD in the IEEE MA-L registry.

Any MAC address starting 00:23:C9 is registered to Sichuan Tianyi Information Science & Technology Stock CO.,LTD in US.

OUI prefix	0023C9
Vendor	Sichuan Tianyi Information Science & Technology Stock CO.,LTD
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:23:C9:00:00:00

What this means

The IEEE assigned the MA-L block 0023C9 to Sichuan Tianyi Information Science & Technology Stock 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 00:23:C9, it is Sichuan Tianyi Information Science & Technology Stock CO.,LTD hardware.

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