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:D8:12:30:00:00 /28
Vendor address3F-1, No.76, Sec.2 Jiafeng S.Rd., Zhubei County Taiwan TW 302
Country🇹🇼 Taiwan
RegisteredOct 16, 2015
Block rangeB8:D8:12:30:00:00– B8:D8:12:3F: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:D8:12:20:00:00 /28
IPM Sales and service Co.,Ltd.
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B8:D8:12:40:00:00 /28
V5 Technology Corporation
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
iModesty Technology Corp. holds 1 registered blocks in the IEEE registry, ranking #15,788 of 33,427 organizations by block count.