MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixF4:97:9D:C0:00:00 /28
Vendor address1402Ho, 286, Beotkkot-ro, Geumcheon-gu Seoul KR 08511
Country🇰🇷 South Korea
RegisteredAug 4, 2025
Block rangeF4:97:9D:C0:00:00– F4:97:9D:CF: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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F4:97:9D:B0:00:00 /28
Kaiware (Shenzhen) Technologies Co.,Ltd
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F4:97:9D:D0:00:00 /28
Huitec printer solution co.,
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Lab241 Co.,Ltd. holds 2 registered blocks in the IEEE registry, ranking #2,381 of 33,427 organizations by block count.
Other blocks registered to Lab241 Co.,Ltd.