This is a universally administered unicast address with a registered vendor prefix.
MAC addressC4:86:4F:00:00:00
OUIC4:86:4F
Vendor addressRoom 708, Founder International Building, No. 52, North Fourth Ring West Road, Haidian District Beijing Beijing CN 100080
Block rangeC4:86:4F:00:00:00– C4:86:4F:FF:FF:FF
Address capacity16,777,216
TransmissionUnicast: addressed to a single device
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
RandomizationNot randomized
Derived modified EUI-64C6:86:4F:FF:FE:00:00:00
Possible IPv6 link-local derivationfe80::c686:4fff:fe00:0

The EUI-64 and IPv6 link-local fields are a mathematical derivation from this MAC address. They don't confirm the device currently uses that IPv6 address.

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