MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix00:1B:C5:02:90:00 /36
Vendor address61, route de la Chapelle de Rousse GAN FR 64290
Country🇫🇷 France
RegisteredMar 31, 2013
Block range00:1B:C5:02:90:00– 00:1B:C5:02:9F: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 →
Example addresses in this block
Where this block sits
Previous
00:1B:C5:02:80:00 /36
STECHWIN.CO.LTD.
Next
00:1B:C5:02:A0:00 /36
Analytical Instrument Systems, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
2 FRANCE MARINE holds 1 registered blocks in the IEEE registry, ranking #3,513 of 33,421 organizations by block count.