This is a universally administered unicast address with a registered vendor prefix.
MAC addressF4:69:D5:EF:FF:FF
OUIF4:69:D5
Vendor address13F, no.150, Jian-Yi Rd., ZhongHe Dist. New Taipei City Taiwan TW 23511
Block rangeF4:69:D5:E0:00:00– F4:69:D5: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-64F6:69:D5:FF:FE:EF:FF:FF
Possible IPv6 link-local derivationfe80::f669:d5ff: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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