This is a universally administered unicast address with a registered vendor prefix.
MAC addressAC:81:12:FF:FF:FF
OUIAC:81:12
Vendor addressNo. 1 Jen Ai Road Hsinchu Industrial Park Hukou, Hsinchu 30352 TAIWAN, REPUBLIC OF CHINA Hsinchu TAIWAN TW 30352
Country🇹🇼 Taiwan
Block rangeAC:81:12:00:00:00– AC:81:12:FF:FF:FF
Address capacity16,777,216
TransmissionUnicast: addressed to a single device
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
RandomizationNot randomized
Derived modified EUI-64AE:81:12:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::ae81:12ff: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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