This is a universally administered unicast address with a registered vendor prefix.
MAC addressB8:4C:87:57:FF:FF
OUIB8:4C:87
Vendor address1825 Allison Way San Jose CA US 95132
Block rangeB8:4C:87:50:00:00– B8:4C:87:5F: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-64BA:4C:87:FF:FE:57:FF:FF
Possible IPv6 link-local derivationfe80::ba4c:87ff:fe57: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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