This is a universally administered unicast address with a registered vendor prefix.
MAC address00:1B:C5:04:5F:FF
OUI00:1B:C5
Vendor address15/F Siu On Centre Wanchai HK HKSAR
CountryðŸ‡ðŸ‡° Hong Kong
Block range00:1B:C5:04:50:00– 00:1B:C5:04:5F:FF
Address capacity4,096
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-6402:1B:C5:FF:FE:04:5F:FF
Possible IPv6 link-local derivationfe80::21b:c5ff:fe04:5fff
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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