MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:01:30:00 /36
Vendor address1260 Pine Forest Cir Round Rock TX US 78665
Country🇺🇸 United States
RegisteredSep 30, 2018
Block range70:B3:D5:01:30:00– 70:B3:D5:01:3F: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:D5:01:20:00 /36
KST technology
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70:B3:D5:01:40:00 /36
FRAKO Kondensatoren und Anlagenbau GmbH
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Sportsbeams Lighting, Inc. holds 2 registered blocks in the IEEE registry, ranking #3,135 of 33,421 organizations by block count.
Other blocks registered to Sportsbeams Lighting, Inc.