MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix1C:AE:3E:B0:00:00 /28
Vendor addressRoom 1514, 15 / F, building a 1, Qinghe Jiayuan East District Beijing Haidian District CN 100085
Country🇨🇳 China
RegisteredJul 31, 2021
Block range1C:AE:3E:B0:00:00– 1C:AE:3E:BF:FF:FF
Address capacity1,048,576
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 →
Example addresses in this block
Where this block sits
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1C:AE:3E:A0:00:00 /28
Beijing SuperCloud Technology Co., Ltd.
Next
1C:AE:3E:C0:00:00 /28
QuEST Rail LLC
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Beijing Boyan-rd Technology Development CO.,LTD holds 1 registered blocks in the IEEE registry, ranking #6,487 of 33,427 organizations by block count.