MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:E7:50:00 /36
Vendor addressRue Gutenberg Hennebont Brittany FR 56700
Country🇫🇷 France
RegisteredAug 3, 2014
Block range70:B3:D5:E7:50:00– 70:B3:D5:E7:5F: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
- Aug 3, 2014 – Feb 27, 2022 Nke name changed
- Feb 27, 2022 – present Watteco
Example addresses in this block
Where this block sits
Previous
70:B3:D5:E7:40:00 /36
Exfrontier Co., Ltd.
Next
70:B3:D5:E7:60:00 /36
Dorsett Technologies Inc
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Watteco holds 1 registered blocks in the IEEE registry, ranking #31,935 of 33,427 organizations by block count.