This is a universally administered unicast address with a registered vendor prefix.
MAC addressDC:66:3A:7F:FF:FF
OUIDC:66:3A
Vendor address1F., No.32, Zhongcheng Rd., Tucheng Dist., New Taipei City Taiwan R.O.C. TW 236
Country🇹🇼 Taiwan
Block rangeDC:66:3A:00:00:00– DC:66:3A: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-64DE:66:3A:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::de66:3aff: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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