MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:1B:A0:00 /36
Vendor address3301 E Renner Rd, Ste 200 Richardson TX US 75082
Country🇺🇸 United States
RegisteredDec 19, 2025
Block range8C:1F:64:1B:A0:00– 8C:1F:64:1B:AF: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:64:1B:90:00 /36
D.T.S Illuminazione Srl
Next
8C:1F:64:1B:B0:00 /36
Renwei Electronics Technology (Shenzhen) Co.,LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Innovative Signal Analysis holds 1 registered blocks in the IEEE registry, ranking #16,153 of 33,427 organizations by block count.