This is a universally administered unicast address with a registered vendor prefix.
MAC addressFC:61:79:37:FF:FF
OUIFC:61:79
Vendor address25/28 NORTH WALL QUAY, DUBLIN 1, D01H104 Ireland Dublin Ireland IE D01H104
Block rangeFC:61:79:30:00:00– FC:61:79:3F: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-64FE:61:79:FF:FE:37:FF:FF
Possible IPv6 link-local derivationfe80::fe61:79ff:fe37: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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