MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:E2:20:00 /36
Vendor address4301 North Fairfax Drive, Suite 310 Arlington VA US 22203
Country🇺🇸 United States
RegisteredApr 2, 2017
Block range70:B3:D5:E2:20:00– 70:B3:D5:E2:2F: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
- Apr 2, 2017 – Aug 4, 2020 Private name changedaddress changedcountry changed
- Aug 4, 2020 – present Federated Wireless, Inc.
Example addresses in this block
Where this block sits
Previous
70:B3:D5:E2:10:00 /36
LLVISION TECHNOLOGY CO.,LTD
Next
70:B3:D5:E2:30:00 /36
Smith Meter, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Federated Wireless, Inc. holds 1 registered blocks in the IEEE registry, ranking #12,576 of 33,427 organizations by block count.