MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:CB:D0:00 /36
Vendor addressFlat B, 26/F, Amiata Industrial building,58-64 Lei Muk Road Hong Kong Kwai Chung, N.T. HK 999077
CountryðŸ‡ðŸ‡° Hong Kong
RegisteredJan 18, 2019
Block range70:B3:D5:CB:D0:00– 70:B3:D5:CB:DF: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 →
Ownership timeline
- Jan 18, 2019 – Oct 5, 2022 Preo Industries Far East Limited name changedaddress changed
- Oct 5, 2022 – present PREO INDUSTRIES FAR EAST LTD
Example addresses in this block
Where this block sits
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70:B3:D5:CB:C0:00 /36
Procon Electronics Pty Ltd
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70:B3:D5:CB:E0:00 /36
Ensura Solutions BV
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
PREO INDUSTRIES FAR EAST LTD holds 3 registered blocks in the IEEE registry, ranking #1,234 of 33,421 organizations by block count.
Other blocks registered to PREO INDUSTRIES FAR EAST LTD