This is a universally administered unicast address with a registered vendor prefix.
MAC address58:FC:DB:77:FF:FF
OUI58:FC:DB
Vendor address3019 Alvin Devane Boulevard Building 4, Suite 400 Austin TX US 78741
Block range58:FC:DB:70:00:00– 58:FC:DB:7F: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-645A:FC:DB:FF:FE:77:FF:FF
Possible IPv6 link-local derivationfe80::5afc:dbff:fe77: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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