This is a universally administered unicast address with a registered vendor prefix.
MAC address6C:5C:3D:4F:FF:FF
OUI6C:5C:3D
Vendor addressRm741, Kyungin Ctr., 20, Baekbeom-ro 577, Bupyung-Gu Incheon KR 21449
Block range6C:5C:3D:40:00:00– 6C:5C:3D:4F:FF:FF
Address capacity1,048,576
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-646E:5C:3D:FF:FE:4F:FF:FF
Possible IPv6 link-local derivationfe80::6e5c:3dff:fe4f:ffff

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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