MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:5D:90:00 /36
Vendor address48 Woerd Ave Waltham MA US 02453
Country🇺🇸 United States
RegisteredMar 12, 2020
Block range70:B3:D5:5D:90:00– 70:B3:D5:5D:9F: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
- Mar 12, 2020 – Sep 30, 2022 olympus-ossa name changedaddress changed
- Sep 30, 2022 – present Evident Scientific, Inc.
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.
Evident Scientific, Inc. holds 1 registered blocks in the IEEE registry, ranking #12,288 of 33,427 organizations by block count.