This is a universally administered unicast address with a registered vendor prefix.
MAC addressAC:84:C9:7F:FF:FF
OUIAC:84:C9
Vendor address250, route de l'Empereur Rueil Malmaison Cedex hauts de seine FR 92848
Block rangeAC:84:C9:00:00:00– AC:84:C9: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-64AE:84:C9:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::ae84:c9ff: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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