This is a universally administered unicast address with a registered vendor prefix.
MAC address64:33:B5:57:FF:FF
OUI64:33:B5
Vendor addressRM 1902 EASEY COMM BLDG 253-261 HENNESSY ROAD WANCHAI HK Hong Kong CN 999077
Country🇨🇳 China
Block range64:33:B5:50:00:00– 64:33:B5:5F: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-6466:33:B5:FF:FE:57:FF:FF
Possible IPv6 link-local derivationfe80::6633:b5ff:fe57: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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