This is a universally administered unicast address with a registered vendor prefix.
MAC addressC0:78:78:7F:FF:FF
OUIC0:78:78
Vendor addressXin Qing Science & Technology Industrial Park,Jin An Town,Doumen ,Zhuhai,Guangdong,PRC Zhuhai Guangdong CN 519180
Block rangeC0:78:78:00:00:00– C0:78:78: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-64C2:78:78:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::c278:78ff: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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