This is a universally administered unicast address with a registered vendor prefix.
MAC addressEC:E7:8E:7F:FF:FF
OUIEC:E7:8E
Vendor addressNo. 68 Huatuo Road, Building-8,Zhangjiang Hi-Tech Park, Pudong Shanghai Shanghai CN 201203
Block rangeEC:E7:8E:00:00:00– EC:E7:8E: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-64EE:E7:8E:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::eee7:8eff:fe7f: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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