This is a locally administered address in the IEEE 802c ELI (Extended Local Identifier) quadrant, whose company ID is registered to a real organization. The vendor identity can be trusted even though the address itself is not universally administered.
MAC address0A:93:26:7F:FF:FF
OUI0A:93:26
Vendor address500 W. Renner Road Richardson US 75080
Block range0A:93:26:00:00:00– 0A:93:26:FF:FF:FF
Address capacity16,777,216
TransmissionUnicast: addressed to a single device
AdministrationLocally administered: set by software, not burned into hardware
IEEE 802c quadrantELI: Extended Local Identifier
RandomizationLikely randomized
Derived modified EUI-6408:93:26:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::893:26ff: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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