MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF8:2B:E6:30:00:00 /28
Vendor address4F., No 107, ZhouZi St., Taipei Taiwan TW 11493
Country🇹🇼 Taiwan
RegisteredMar 15, 2025
Block rangeF8:2B:E6:30:00:00– F8:2B:E6:3F: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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F8:2B:E6:20:00:00 /28
Flextronics Computing（SuZhou)Co.,LTD.
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F8:2B:E6:40:00:00 /28
Wistron Corporation
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Brinno Incorporated holds 1 registered blocks in the IEEE registry, ranking #7,407 of 33,427 organizations by block count.