MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0F:F0:00:00:00 /24
Vendor addressOsawa2-5-5 Mitaka Tokyo JP 181-0015
Country🇯🇵 Japan
RegisteredApr 3, 2004
Block range00:0F:F0:00:00:00– 00:0F:F0: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 3, 2004 – Sep 29, 2007 Sunray Enterprise name changed
- Sep 29, 2007 – present Sunray Co. Ltd.
Example addresses in this block
Where this block sits
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00:0F:EF:00:00:00 /24
Thales e-Transactions GmbH
Next
00:0F:F1:00:00:00 /24
nex-G Systems Pte.Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Sunray Co. Ltd. holds 1 registered blocks in the IEEE registry, ranking #28,593 of 33,427 organizations by block count.