This is a universally administered unicast address with a registered vendor prefix.
MAC addressA0:1B:04:7F:FF:FF
OUIA0:1B:04
Vendor address22nd Floor, Building A1, China Vision, No. 99 Longchuan Road, Baohe District, Hefei City, Anhui Province, China Hefei Anhui CN 230001
Block rangeA0:1B:04:00:00:00– A0:1B:04: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-64A2:1B:04:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::a21b:4ff: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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