This is a universally administered unicast address with a registered vendor prefix.
MAC address5C:87:D8:D0:00:00
OUI5C:87:D8
Vendor addressTegula, 888 Atibaia Sao Paulo BR 12952820
Block range5C:87:D8:D0:00:00– 5C:87:D8:DF: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-645E:87:D8:FF:FE:D0:00:00
Possible IPv6 link-local derivationfe80::5e87:d8ff:fed0:0

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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