MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:DA:10:00 /36
Vendor address銅鑼灣 伊榮街9號欣榮商業大廈 16 樓 1602 室 HONGKONG HK 1
Country🇭🇰 Hong Kong
RegisteredApr 25, 2025
Block range8C:1F:64:DA:10:00– 8C:1F:64:DA:1F: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:DA:00:00 /36
Sensata Technologies Inc.
Next
8C:1F:64:DA:20:00 /36
Ascon Tecnologic S.r.l.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Hangteng (HK) Technology Co., Limited holds 2 registered blocks in the IEEE registry, ranking #2,149 of 33,421 organizations by block count.
Other blocks registered to Hangteng (HK) Technology Co., Limited