MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:A7:10:00 /36
Vendor addressNo. 317-1, Sec.2, An Kang Rd., Hsintien Dist New Taipei City TW 231
Country🇹🇼 Taiwan
RegisteredJul 29, 2018
Block range70:B3:D5:A7:10:00– 70:B3:D5:A7:1F: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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70:B3:D5:A7:00:00 /36
Gateview Technologies
Next
70:B3:D5:A7:20:00 /36
Business Marketers Group, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Samwell International Inc holds 5 registered blocks in the IEEE registry, ranking #631 of 33,427 organizations by block count.
Other blocks registered to Samwell International Inc