This is a universally administered unicast address with a registered vendor prefix.
MAC addressC0:03:80:7F:FF:FF
OUIC0:03:80
Vendor address1133 Innovation Way Sunnyvale CA US 94089
Block rangeC0:03:80:00:00:00– C0:03:80: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-64C2:03:80:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::c203:80ff: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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