This is a universally administered unicast address with a registered vendor prefix.
MAC address5C:87:D8:37:FF:FF
OUI5C:87:D8
Vendor addressSuite 503, Building U3, Junxiang U8 Intelligent Manufacturing Industrial Park, Guxing Community, Xixiang Street, Baoan District, Shenzhen SHENZHEN CN 518000
Block range5C:87:D8:30:00:00– 5C:87:D8:3F: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-645E:87:D8:FF:FE:37:FF:FF
Possible IPv6 link-local derivationfe80::5e87:d8ff: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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