MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixB8:D8:12:40:00:00 /28
Vendor address5F., No.7, Lixing 3rd Rd., East Dist., Hsinchu City 30078, Taiwan (R.O.C.) HsinChu Taiwan TW 30078
Country🇹🇼 Taiwan
RegisteredOct 16, 2015
Block rangeB8:D8:12:40:00:00– B8:D8:12:4F: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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B8:D8:12:30:00:00 /28
iModesty Technology Corp.
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B8:D8:12:50:00:00 /28
XIAMEN XINDECO LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
V5 Technology Corporation holds 1 registered blocks in the IEEE registry, ranking #31,163 of 33,427 organizations by block count.