This is a universally administered unicast address with a registered vendor prefix.
MAC addressAC:C6:98:7F:FF:FF
OUIAC:C6:98
Vendor address2-6-15, Kurigi, Asao-ku Kawasaki-shi Kanagawa JP 215-8521
Block rangeAC:C6:98:00:00:00– AC:C6:98: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:C6:98:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::aec6:98ff: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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