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:03:BA:FF:FF:FF
OUI5A:03:BA
Vendor address5000 Executive Parkway, Suite 302 San Ramon CA SG 94583
Country🇸🇬 Singapore
Block range5A:03:BA:00:00:00– 5A:03:BA: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-6458:03:BA:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::5803:baff:feff: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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