This is a universally administered unicast address with a registered vendor prefix.
MAC addressE8:6C:C7:57:FF:FF
OUIE8:6C:C7
Vendor address905, Block B, DuoCaiKeChuan Park, No.5 Guanle Road Longhua District Shenzhen, Guangdong CN 518110
Country🇨🇳 China
Block rangeE8:6C:C7:50:00:00– E8:6C:C7:5F: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:6C:C7:FF:FE:57:FF:FF
Possible IPv6 link-local derivationfe80::ea6c:c7ff:fe57: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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