This is a universally administered unicast address with a registered vendor prefix.
MAC address08:3C:03:DF:FF:FF
OUI08:3C:03
Vendor addressRoom 802, 8th Floor, Building 5, Wenzhou Runchen Technology Co., Ltd., No. 333 Jiankang Road, Wanquan Town, Pingyang County Wenzhou Zhejiang CN 325000
Country🇨🇳 China
Block range08:3C:03:D0:00:00– 08:3C:03:DF: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-640A:3C:03:FF:FE:DF:FF:FF
Possible IPv6 link-local derivationfe80::a3c:3ff:fedf: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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