MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:7E:C0:00 /36
Vendor address10545 Hardin Valley Rd Knoxville TN US 37932
Country🇺🇸 United States
RegisteredSep 6, 2015
Block range70:B3:D5:7E:C0:00– 70:B3:D5:7E:CF: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
- Sep 6, 2015 – Sep 19, 2020 GRIDSMART Technologies name changed
- Sep 19, 2020 – present Cubic ITS, Inc. dba GRIDSMART Technologies
Example addresses in this block
Where this block sits
Previous
70:B3:D5:7E:B0:00 /36
Xerox International Partners
Next
70:B3:D5:7E:D0:00 /36
The Things Network Foundation
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Cubic ITS, Inc. dba GRIDSMART Technologies holds 4 registered blocks in the IEEE registry, ranking #709 of 33,427 organizations by block count.
Other blocks registered to Cubic ITS, Inc. dba GRIDSMART Technologies