This is a universally administered unicast address with a registered vendor prefix.
MAC address78:8B:77:00:00:00
OUI78:8B:77
Vendor addressSadovnicheskaya 44 s.4 Moscow RU 115035
Block range78:8B:77:00:00:00– 78:8B:77: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-647A:8B:77:FF:FE:00:00:00
Possible IPv6 link-local derivationfe80::7a8b:77ff:fe00:0

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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