MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixE8:6C:C7:40:00:00 /28
Vendor addressFloor 6, Building 4, Lane 299, Jiangchang West Road, Jing 'an District Shanghai Shanghai CN 200436
Country🇨🇳 China
RegisteredDec 25, 2020
Block rangeE8:6C:C7:40:00:00– E8:6C:C7:4F: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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E8:6C:C7:30:00:00 /28
Shenzhen Yibaifen Industrial Co.,Ltd.
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E8:6C:C7:50:00:00 /28
Shenzhen Rongda Computer Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Koal Software Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #17,778 of 33,427 organizations by block count.