MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:05:40:00:00:00 /24
Vendor address17, Higashikata-cho, Tsuzuki-ku, Yokohama-shi Kanagawa-ken JP 224-0045
Country🇯🇵 Japan
RegisteredFeb 2, 2001
Block range00:05:40:00:00:00– 00:05:40: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
- Feb 2, 2001 – Oct 19, 2024 FAST Corporation name changed
- Oct 19, 2024 – present Tokyo Electron Device Limited
Example addresses in this block
Where this block sits
Previous
00:05:3F:00:00:00 /24
VisionTek, Inc.
Next
00:05:41:00:00:00 /24
Advanced Systems Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Tokyo Electron Device Limited holds 2 registered blocks in the IEEE registry, ranking #3,270 of 33,421 organizations by block count.
Other blocks registered to Tokyo Electron Device Limited