MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix98:8F:E0:80:00:00 /28
Vendor address5/f, biological building, 1326 Yanan West road, Changning District Shanghai Shanghai CN 200052
Country🇨🇳 China
RegisteredDec 9, 2021
Block range98:8F:E0:80:00:00– 98:8F:E0:8F: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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98:8F:E0:70:00:00 /28
China Huaxin Post and Telecom Technologies Co., Ltd.
Next
98:8F:E0:90:00:00 /28
Nawon Machinery
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Changzhou Perceptime Technology Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #8,172 of 33,421 organizations by block count.