MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:00:B1:00:00:00 /24
Vendor address3501 SUNFLOWER SANTA ANA CA US 92704
Country🇺🇸 United States
RegisteredApr 22, 1998
Block range00:00:B1:00:00:00– 00:00:B1:FF:FF:FF
Address capacity16,777,216
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
- Apr 22, 1998 – Oct 30, 2015 ALPHA MICROSYSTEMS INC. name changedaddress changed
- Oct 30, 2015 – present Alpha Micro
Example addresses in this block
Where this block sits
Previous
00:00:B0:00:00:00 /24
RND-RAD NETWORK DEVICES
Next
00:00:B2:00:00:00 /24
TELEVIDEO SYSTEMS, INC.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Alpha Micro holds 1 registered blocks in the IEEE registry, ranking #4,783 of 33,427 organizations by block count.