This is a universally administered unicast address with a registered vendor prefix.
MAC address38:B1:4E:CF:FF:FF
OUI38:B1:4E
Vendor address503, C2,No.182 Science Avenue,Science City,High-Tech Industrial Development Zone Guangzhou, Guangdong , CN. Guangzhou Guangdong CN 510000
Country🇨🇳 China
Block range38:B1:4E:C0:00:00– 38:B1:4E: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-643A:B1:4E:FF:FE:CF:FF:FF
Possible IPv6 link-local derivationfe80::3ab1:4eff:fecf: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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