MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:40:10:00 /36
Vendor address700 Blue Point Road Holtsville NY US 11742
Country🇺🇸 United States
RegisteredMar 25, 2018
Block range70:B3:D5:40:10:00– 70:B3:D5:40:1F: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 25, 2018 – Jun 30, 2026 Private name changedaddress changedcountry changed
- Jun 30, 2026 – present CEM Ltd
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.
CEM Ltd holds 2 registered blocks in the IEEE registry, ranking #1,705 of 33,427 organizations by block count.
Other blocks registered to CEM Ltd