This is a universally administered unicast address with a registered vendor prefix.
MAC address30:63:71:7F:FF:FF
OUI30:63:71
Vendor addressBlock 3, Dong Huan Industrial Park, Sha Jing Town, Bao’an District, Shenzhen City, Guangdong Province, China ShenZHEN GuangDong CN 518104
Block range30:63:71:00:00:00– 30:63:71: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-6432:63:71:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::3263:71ff: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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