MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix5C:E7:53:00:00:00 /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
RegisteredJun 7, 2025
Block range5C:E7:53:00:00:00– 5C:E7:53: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
- Jun 7, 2025 – Jun 16, 2026 Private name changed
- Jun 16, 2026 – 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.