This is a universally administered unicast address with a registered vendor prefix.
MAC addressA8:45:E9:7F:FF:FF
OUIA8:45:E9
Vendor address10F., No. 75, Sec. 1, Xintai 5th Rd., Xizhi Dist. New Taipei City Taiwan (R.O.C.) TW 886
Country🇹🇼 Taiwan
Block rangeA8:45:E9:00:00:00– A8:45:E9: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-64AA:45:E9:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::aa45:e9ff: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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