MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:15:CC:00:00:00 /24
Vendor addressSannomiya Intes Bldg. 8F KOBE HYOGO JP 651-0086
Country🇯🇵 Japan
RegisteredSep 9, 2005
Block range00:15:CC:00:00:00– 00:15:CC: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
- Sep 9, 2005 – Oct 17, 2012 TEPCO UQUEST, LTD. name changed
- Oct 17, 2012 – present UQUEST, LTD.
Example addresses in this block
Where this block sits
Previous
00:15:CB:00:00:00 /24
Surf Communication Solutions Ltd.
Next
00:15:CD:00:00:00 /24
Exartech International Corp.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
UQUEST, LTD. holds 1 registered blocks in the IEEE registry, ranking #31,086 of 33,427 organizations by block count.