This is a universally administered unicast address with a registered vendor prefix.
MAC address5C:5C:75:E7:FF:FF
OUI5C:5C:75
Vendor address5547 A1A S, Suite 111 St Augustine FL US 32080
Block range5C:5C:75:E0:00:00– 5C:5C:75: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-645E:5C:75:FF:FE:E7:FF:FF
Possible IPv6 link-local derivationfe80::5e5c:75ff:fee7: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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