Result

Mac address for 8C1F643F9

Company / Vendor
YU YAN SYSTEM TECHNOLOGY CO., LTD.

Prefix
8C1F643F9

Database Type
IEEE MA-S

Start Mac Address
8C1F643F93F9000

End Mac Address
8C1F643F93F9FFF

Company Address
No. 195, Yong'an St., Xinzhuang Dist.
New Taipei City 242017
Taiwan 🇹🇼

Possible Devices
4096
This number represents the possible device number that can be manufactured using this mac address, but doesn't mean it is all has been manufactured yet

Link
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