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 address2A:A1:47:7F:FF:FF
OUI2A:A1:47
Vendor addresscalle Buenavista #35, Colonia Lindavista Norte, Delegación Gustavo A. Madero Cuidad de México CDMX MX 07300
Country🇲🇽 Mexico
Block range2A:A1:47:00:00:00– 2A:A1:47: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-6428:A1:47:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::28a1:47ff: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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