This is a universally administered unicast address with a registered vendor prefix.
MAC addressE8:B4:70:A7:FF:FF
OUIE8:B4:70
Vendor addressHugstmattweg 30 Freiburg i. Br. DE 79112
Block rangeE8:B4:70:A0:00:00– E8:B4:70:AF: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-64EA:B4:70:FF:FE:A7:FF:FF
Possible IPv6 link-local derivationfe80::eab4:70ff:fea7: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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