MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix6C:CF:39:00:00:00 /24
Vendor addressRoom 506, Building 2, No. 61 Shengxia Rd., Shanghai Shanghai CN 201203
Country🇨🇳 China
RegisteredApr 21, 2021
Block range6C:CF:39:00:00:00– 6C:CF:39:FF:FF:FF
Address capacity16,777,216
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority
Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.
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Ownership timeline
- Apr 21, 2021 – Feb 8, 2025 Guangdong Starfive Technology Co., Ltd. name changedaddress changed
- Feb 8, 2025 – present Shanghai StarFive Semiconductor Co., Ltd.
Dates show when a change became public in the IEEE registry. How we track ownership history →
Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shanghai StarFive Semiconductor Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #26,105 of 33,498 organizations by block count.