This is a universally administered unicast address with a registered vendor prefix.
MAC address78:99:8F:00:00:00
OUI78:99:8F
Vendor addressVIA 8 MARZO, 4 CORTE TEGGE REGGIO NELL'EMILIA IT 42025
Block range78:99:8F:00:00:00– 78:99:8F: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-647A:99:8F:FF:FE:00:00:00
Possible IPv6 link-local derivationfe80::7a99:8fff:fe00:0

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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