This is a universally administered unicast address with a registered vendor prefix.
MAC addressE8:FF:1E:50:00:00
OUIE8:FF:1E
Vendor addressNo. 5 VSIP II, No. 7 Street, Vietnam- Singapore Industrial Park II, Hoa Phu Ward Thu Dau Mot City Binh Duong Province VN 820000
Block rangeE8:FF:1E:50:00:00– E8:FF:1E:5F: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:FF:1E:FF:FE:50:00:00
Possible IPv6 link-local derivationfe80::eaff:1eff:fe50:0

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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