74:5B:C5:5F:FF:FF - SpringCard

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This is a universally administered unicast address with a registered vendor prefix.

MAC address74:5B:C5:5F:FF:FF

OUI74:5B:C5

Vendor address2 voie La Cardon, Parc Gutenberg PALAISEAU IDF FR 91120

Country🇫🇷 France

Block range74:5B:C5:50:00:00– 74:5B:C5:5F: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-6476:5B:C5:FF:FE:5F:FF:FF

Possible IPv6 link-local derivationfe80::765b:c5ff:fe5f: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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