MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:5C:50:00 /36
Vendor address21 Harwell Road Poole Dorset GB BH17 0GE
Country🇬🇧 United Kingdom
RegisteredOct 17, 2024
Block range8C:1F:64:5C:50:00– 8C:1F:64:5C: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 →
Example addresses in this block
Where this block sits
Previous
8C:1F:64:5C:40:00 /36
Cooltera Limited
Next
8C:1F:64:5C:60:00 /36
Systems With Intelligence Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Active Research Limited holds 4 registered blocks in the IEEE registry, ranking #669 of 33,421 organizations by block count.
Other blocks registered to Active Research Limited