This is a universally administered unicast address with a registered vendor prefix.
MAC addressCC:3B:27:7F:FF:FF
OUICC:3B:27
Vendor addressROOMS 05-15, 13A/F., SOUTH TOWER, WORLD FINANCE CENTRE, HARBOUR CITY, 17 CANTON ROAD, TSIM SHA TSUI, KOWLOON, HONG KONG Hong Kong Hong Kong HK 999077
Block rangeCC:3B:27:00:00:00– CC:3B:27:FF:FF:FF
Address capacity16,777,216
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-64CE:3B:27:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::ce3b:27ff:fe7f: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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