MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix1C:59:74:C0:00:00 /28
Vendor address13F, No.207-2, Sec#3, Beixin Rd., Xindian District. New Taipei Taiwan TW 23146
Country🇹🇼 Taiwan
RegisteredFeb 19, 2022
Block range1C:59:74:C0:00:00– 1C:59:74: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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1C:59:74:B0:00:00 /28
Beijing Flintec Electronic Technology Co.,Ltd.
Next
1C:59:74:D0:00:00 /28
Shenzhen Geshem Technology Co Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
King-On Technology Ltd. holds 2 registered blocks in the IEEE registry, ranking #2,356 of 33,427 organizations by block count.
Other blocks registered to King-On Technology Ltd.