This is a universally administered unicast address with a registered vendor prefix.
MAC address90:F4:21:67:FF:FF
OUI90:F4:21
Vendor addressNo.52, Zone C, Huigu Pioneer Park, Huishan Economic Development Zone, Wuxi Wuxi Jiangsu CN 214174
Block range90:F4:21:60:00:00– 90:F4:21:6F: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-6492:F4:21:FF:FE:67:FF:FF
Possible IPv6 link-local derivationfe80::92f4:21ff:fe67: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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