MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:23:C0:00 /36
Vendor addressFlat A-B, 12/F, Block 1, Wah Fung Ind. Centre, 33-39 Kwai Fung Crescent, Kwai Chung, N.T. HK HK 852
CountryðŸ‡ðŸ‡° Hong Kong
Block range8C:1F:64:23:C0:00– 8C:1F:64:23:CF: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:64:23:90:00 /36
SHEKEL SCALES 2008 LTD
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8C:1F:64:23:D0:00 /36
Mokila Networks Pvt Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Weltek Technologies Co. Ltd. holds 4 registered blocks in the IEEE registry, ranking #883 of 33,421 organizations by block count.
Other blocks registered to Weltek Technologies Co. Ltd.