MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixA0:24:90:80:00:00 /28
Vendor address6203 San Ignacio Ave #110 San Jose CA US 95119
Country🇺🇸 United States
RegisteredJun 11, 2026
Block rangeA0:24:90:80:00:00– A0:24:90:8F: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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A0:24:90:70:00:00 /28
VELVU TECHNOLOGIES PRIVATE LIMITED
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A0:24:90:90:00:00 /28
SANSHA ELECTRIC MANUFACTURING CO., LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Elisity, Inc. holds 1 registered blocks in the IEEE registry, ranking #11,514 of 33,427 organizations by block count.