MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:00:64:00:00:00 /24
Vendor address4-30-3 Yoyogi, Yoyogi Shibuya-ku, Tokyo JP 151-0053
Country🇯🇵 Japan
RegisteredApr 22, 1998
Block range00:00:64:00:00:00– 00:00:64: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 – Apr 19, 2014 YOKOGAWA DIGITAL COMPUTER CORP name changedaddress changed
- Apr 19, 2014 – Aug 12, 2016 Yokogawa Electric Corporation name changedaddress changed
- Aug 12, 2016 – Sep 26, 2026 Yokogawa Digital Computer Corporation name changedaddress changed
- Sep 26, 2026 – present DTS INSIGHT Corporation
Example addresses in this block
Where this block sits
Previous
00:00:63:00:00:00 /24
BARCO CONTROL ROOMS GMBH
Next
00:00:65:00:00:00 /24
Network General Corporation
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
DTS INSIGHT Corporation holds 3 registered blocks in the IEEE registry, ranking #1,017 of 33,427 organizations by block count.
Other blocks registered to DTS INSIGHT Corporation