MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:1C:F0:00 /36
Vendor address5 F., No. 46, Ln. 394, Longjiang Rd., Zhongshan Dist., Taipei City 10474, Taiwan (R.O.C.) Taipei TW 10474
Country🇹🇼 Taiwan
RegisteredFeb 24, 2026
Block range8C:1F:64:1C:F0:00– 8C:1F:64:1C:FF:FF
Address capacity4,096
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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8C:1F:64:1C:E0:00 /36
Eiden Co.,Ltd.
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8C:1F:64:1D:00:00 /36
MB connect line GmbH Fernwartungssysteme
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
BAOLIHDER CO.,LTD. holds 1 registered blocks in the IEEE registry, ranking #6,317 of 33,427 organizations by block count.