Who owns MAC prefix D44165?

D44165 is registered to Sichuan Tianyi Comheart Telecom Co.,LTD in the IEEE MA-L registry.

What devices use D44165?

Any network device with a MAC address starting D4:41:65 was manufactured by or for Sichuan Tianyi Comheart Telecom Co.,LTD.

MA-L · OUI prefix

Sichuan Tianyi Comheart Telecom Co.,LTD

Any MAC address starting D4:41:65 is registered to Sichuan Tianyi Comheart Telecom Co.,LTD in CN.

OUI prefix	D44165
Vendor	Sichuan Tianyi Comheart Telecom Co.,LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	D4:41:65:00:00:00

What this means

The IEEE assigned the MA-L block D44165 to Sichuan Tianyi Comheart Telecom 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 D4:41:65, it is Sichuan Tianyi Comheart Telecom Co.,LTD hardware.

Other Sichuan Tianyi Comheart Telecom Co.,LTD prefixes

Sichuan Tianyi Comheart Telecom Co.,LTD holds 89 registered blocks in total.

004CE5 00E5E4 0443FD 046B25 08010F 1012B4 1469A2 185207 187532 1C0ED3 1CFF59 2406F2 all 89 »

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