MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:47:40:00 /36
Vendor address815 1st Ave #174 Seattle WA US 98104
Country🇺🇸 United States
RegisteredNov 11, 2020
Block range70:B3:D5:47:40:00– 70:B3:D5:47:4F: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
- Nov 11, 2020 – Feb 9, 2021 DAYOUPLUS name changedaddress changedcountry changed
- Feb 9, 2021 – present CTROGERS LLC
Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
CTROGERS LLC holds 1 registered blocks in the IEEE registry, ranking #9,495 of 33,427 organizations by block count.