This is a universally administered unicast address with a registered vendor prefix.
MAC address54:54:CF:00:00:00
OUI54:54:CF
Vendor address#107 Hyundai I-Valley, 31, Galmachi-ro 244beon-gil, Jungwon-gu Seongnam-si Gyeonggi-do KR 13212
Block range54:54:CF:00:00:00– 54:54:CF: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-6456:54:CF:FF:FE:00:00:00
Possible IPv6 link-local derivationfe80::5654:cfff: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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