MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:4D:D0:00 /36
Vendor address2183 Alpine Way Bellingham WA US 98226
Country🇺🇸 United States
RegisteredFeb 1, 2015
Block range70:B3:D5:4D:D0:00– 70:B3:D5:4D: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
- Feb 1, 2015 – Oct 16, 2020 Road-iQ, LLC name changed
- Oct 16, 2020 – present Velvac Incorporated
Example addresses in this block
Where this block sits
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70:B3:D5:4D:C0:00 /36
JK DEVICE CORPORATION
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70:B3:D5:4D:E0:00 /36
Oso Technologies, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Velvac Incorporated holds 4 registered blocks in the IEEE registry, ranking #872 of 33,421 organizations by block count.
Other blocks registered to Velvac Incorporated