This is a universally administered unicast address with a registered vendor prefix.
MAC addressD8:DD:5F:00:00:00
OUID8:DD:5F
Vendor address5-1-21 Kyonancho Musashino Tokyo JP 180-0023
Block rangeD8:DD:5F:00:00:00– D8:DD:5F: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:DD:5F:FF:FE:00:00:00
Possible IPv6 link-local derivationfe80::dadd:5fff: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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