This is a universally administered unicast address with a registered vendor prefix.
MAC addressD8:DE:CE:7F:FF:FF
OUID8:DE:CE
Vendor address92, Huimanggongwon-ro Siheung-si Kyunggido KR 429-859
Block rangeD8:DE:CE:00:00:00– D8:DE:CE: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-64DA:DE:CE:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::dade:ceff:fe7f: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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