This is a universally administered unicast address with a registered vendor prefix.
MAC addressFC:D5:86:7F:FF:FF
OUIFC:D5:86
Vendor address1213-1214, haosheng business center, dongbin road, nanshan street, nanshan district, shenzhen city Shenzhen Guangdong CN 518000
Block rangeFC:D5:86:00:00:00– FC:D5:86: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-64FE:D5:86:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::fed5:86ff: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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