This is a universally administered unicast address with a registered vendor prefix.
MAC address54:EF:FE:00:00:00
OUI54:EF:FE
Vendor address1200 Pacific Avenue Santa Cruz CA US 95060
Country🇺🇸 United States
Block range54:EF:FE:00:00:00– 54:EF:FE: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:EF:FE:FF:FE:00:00:00
Possible IPv6 link-local derivationfe80::56ef:feff: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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