MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixDC:29:19:00:00:00 /24
Vendor addressSouth Building 203-38,Huoju Square ,No.56-58,Huoju Road, Huoju Park, Huoju High-tech District Xiamen CN 361000
Country🇨🇳 China
RegisteredDec 30, 2017
Block rangeDC:29:19:00:00:00– DC:29:19: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
- Dec 30, 2017 – Jun 16, 2026 AltoBeam (Xiamen) Technology Ltd, Co. name changed
- Jun 16, 2026 – present AltoBeam(Xiamen)Technology Co., Ltd.
Example addresses in this block
Where this block sits
AltoBeam(Xiamen)Technology Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #4,853 of 33,421 organizations by block count.