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 addressCA:8F:A5:00:00:00
OUICA:8F:A5
Vendor addressPO BOX 478 ELLENTON FL US 34222
Country🇺🇸 United States
Block rangeCA:8F:A5:00:00:00– CA:8F:A5: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-64C8:8F:A5:FF:FE:00:00:00
Possible IPv6 link-local derivationfe80::c88f:a5ff:fe00:0
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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