This is a universally administered unicast address with a registered vendor prefix.
MAC addressEC:9A:0C:C7:FF:FF
OUIEC:9A:0C
Vendor addressBuilding 8B, Fuzhou Internet of Things Industrial Park, Liandong U Valley, No. 12 Xingye West Road, Mawei District Fuzhou Fujian CN 350015
Block rangeEC:9A:0C:C0:00:00– EC:9A:0C:CF: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-64EE:9A:0C:FF:FE:C7:FF:FF
Possible IPv6 link-local derivationfe80::ee9a:cff:fec7: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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