1 registered blocks

YU YAN SYSTEM TECHNOLOGY CO., LTD. MAC Addresses

All OUI prefixes assigned to YU YAN SYSTEM TECHNOLOGY CO., LTD. by the IEEE. Any device MAC beginning with one of these belongs to this vendor.

MA-S (36-bit, small block)1 block
Combined address space4,096 addresses

All YU YAN SYSTEM TECHNOLOGY CO., LTD. prefixes

8C1F643F9MA-S

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