This is a universally administered unicast address with a registered vendor prefix.
MAC address18:9B:A5:EF:FF:FF
OUI18:9B:A5
Vendor addressNo.36, Huaya 1st Rd., Guishan Dist., Taoyuan City 33383, Taiwan Taoyuan City Taiwan CN 33383
Country🇨🇳 China
Block range18:9B:A5:E0:00:00– 18:9B:A5:EF:FF:FF
Address capacity1,048,576
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-641A:9B:A5:FF:FE:EF:FF:FF
Possible IPv6 link-local derivationfe80::1a9b:a5ff:feef: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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