This is a universally administered unicast address with a registered vendor prefix.
MAC addressB4:4B:D6:C7:FF:FF
OUIB4:4B:D6
Vendor addressStanislawa Lema 16 Mosina Wielkopolska PL 62-050
Block rangeB4:4B:D6:C0:00:00– B4:4B:D6:CF:FF:FF
Address capacity1,048,576
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-64B6:4B:D6:FF:FE:C7:FF:FF
Possible IPv6 link-local derivationfe80::b64b:d6ff:fec7: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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