MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:17:5C:00:00:00 /24
Vendor address1, Takumi-Cho, Sakai city Osaka Prefecture JP 590-8522
Country🇯🇵 Japan
RegisteredMar 6, 2006
Block range00:17:5C:00:00:00– 00:17:5C: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 →
Example addresses in this block
Where this block sits
Previous
00:17:5B:00:00:00 /24
ACS Solutions Switzerland Ltd.
Next
00:17:5D:00:00:00 /24
Dongseo system.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
SHARP Corporation holds 21 registered blocks in the IEEE registry, ranking #170 of 33,421 organizations by block count.
Other blocks registered to SHARP CORPORATION