MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixD4:AD:FC:00:00:00 /24
Vendor addressNo. 3301, Block C, Section 1, Chuangzhi Yuncheng Building, Liuxian Avenue,Xili Community, Xili Street, Nanshan District Shenzhen Guangdong CN 518000
Country🇨🇳 China
RegisteredAug 1, 2021
Block rangeD4:AD:FC:00:00:00– D4:AD:FC: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.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Ownership timeline
- Aug 1, 2021 – Aug 6, 2022 Private name changedaddress changedcountry changed
- Aug 6, 2022 – Dec 9, 2023 Shenzhen Intellirocks Tech co.,ltd name changed
- Dec 9, 2023 – present Shenzhen Intellirocks Tech. Co. Ltd.
Example addresses in this block
Where this block sits
Shenzhen Intellirocks Tech. Co. Ltd. holds 4 registered blocks in the IEEE registry, ranking #832 of 33,427 organizations by block count.
Other blocks registered to Shenzhen Intellirocks Tech. Co. Ltd.