This is a universally administered unicast address with a registered vendor prefix.
OUI04:EC:A9Matched block: 04:EC:A9:E /28
Vendor addressBuilding 38, No.356 Zhengbo Road, Lingang New Area, China (Shanghai) Pilot Free Trade Zone Shanghai Shanghai CN 200131
Country🇨🇳 China
Block range04:EC:A9:E0:00:00– 04:EC:A9:EF: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-6406:EC:A9:FF:FE:E0:00:00
Possible IPv6 link-local derivationfe80::6ec:a9ff:fee0:0
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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