This is a universally administered unicast address with a registered vendor prefix.
MAC address74:25:84:EF:FF:FF
OUI74:25:84
Vendor address18F Osaki Wiz Tower 2-11-1, Osaki, Shinagawa-ku Osaki, Shinagawa-ku Tokyo JP 1410032
Block range74:25:84:E0:00:00– 74:25:84:EF: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-6476:25:84:FF:FE:EF:FF:FF
Possible IPv6 link-local derivationfe80::7625:84ff:feef: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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