MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixC0:48:2F:20:00:00 /28
Vendor addressNo.18, Lane 600, South Station Road, Huangpu District, Shanghai, China Shanghai Shanghai CN 200001
Country🇨🇳 China
RegisteredAug 24, 2024
Block rangeC0:48:2F:20:00:00– C0:48:2F:2F: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
Previous
C0:48:2F:10:00:00 /28
Sichuan Xutai communication equipment Co., LTD
Next
C0:48:2F:30:00:00 /28
Qingdao Xijiao Ruihang Rail Equipment Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
AISWEI Technology Co. holds 1 registered blocks in the IEEE registry, ranking #4,542 of 33,421 organizations by block count.