This is a universally administered unicast address with a registered vendor prefix.
MAC address54:EF:43:7F:FF:FF
OUI54:EF:43
Vendor addressNo.2 Xin Cheng Road, Room R6,Songshan Lake Technology Park Dongguan CN 523808
Country🇨🇳 China
Block range54:EF:43:00:00:00– 54:EF:43: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:43:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::56ef:43ff: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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