This is a universally administered unicast address with a registered vendor prefix.
MAC addressB4:39:34:7F:FF:FF
OUIB4:39:34
Vendor address8th FL., SOLiD Space, Seongnam-si Gyeonggi-do KR 463-400
Block rangeB4:39:34:00:00:00– B4:39:34: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-64B6:39:34:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::b639:34ff: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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