This is a universally administered unicast address with a registered vendor prefix.
MAC address3C:22:7F:7F:FF:FF
OUI3C:22:7F
Vendor addressBuilding 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District Shanghai CN 200233
Block range3C:22:7F:00:00:00– 3C:22:7F:FF:FF:FF
Address capacity16,777,216
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-643E:22:7F:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::3e22:7fff:fe7f: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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