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 address5A:6B:B4:7F:FF:FF
OUI5A:6B:B4
Vendor address1245 S. Winchester Blvd, Suite 208 San Jose CA US 95128
Country🇺🇸 United States
Block range5A:6B:B4:00:00:00– 5A:6B:B4: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-6458:6B:B4:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::586b:b4ff: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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