This is a universally administered unicast address with a registered vendor prefix.
MAC addressF4:3E:66:FF:FF:FF
OUIF4:3E:66
Vendor addressRoom 1902, 19/F, Lee Garden One 33 Hysan Avenue, Causeway Bay Hong Kong HK 100043
CountryðŸ‡ðŸ‡° Hong Kong
Block rangeF4:3E:66:00:00:00– F4:3E:66: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-64F6:3E:66:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::f63e:66ff:feff: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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