MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0D:25:00:00:00 /24
Vendor address20 Kotobuki-cho Isesaki-shi Gunma JP 372-8502
Country🇯🇵 Japan
RegisteredApr 25, 2003
Block range00:0D:25:00:00:00– 00:0D:25: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
00:0D:24:00:00:00 /24
SENTEC E&E CO., LTD.
Next
00:0D:26:00:00:00 /24
Primagraphics Limited
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
SANDEN CORPORATION holds 1 registered blocks in the IEEE registry, ranking #25,129 of 33,427 organizations by block count.