This is a universally administered unicast address with a registered vendor prefix.
MAC address4C:91:7A:87:FF:FF
OUI4C:91:7A
Vendor addressOgrodowa 2A Solec Kujawski Bydgoszcz PL 86-050
Country🇵🇱 Poland
Block range4C:91:7A:80:00:00– 4C:91:7A:8F: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-644E:91:7A:FF:FE:87:FF:FF
Possible IPv6 link-local derivationfe80::4e91:7aff:fe87: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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