This is a universally administered unicast address with a registered vendor prefix.
MAC addressE4:5F:01:FF:FF:FF
OUIE4:5F:01
Vendor addressMaurice Wilkes Building, Cowley Road Cambridge GB CB4 0DS
Country🇬🇧 United Kingdom
Block rangeE4:5F:01:00:00:00– E4:5F:01: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-64E6:5F:01:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::e65f:1ff:feff: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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