MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1A:EB:00:00:00 /24
Vendor addressNo.2 TOC Bldg. Shinagawa-ku Tokyo JP 141-0031
Country🇯🇵 Japan
RegisteredDec 30, 2006
Block range00:1A:EB:00:00:00– 00:1A:EB: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
- Dec 30, 2006 – Oct 30, 2015 Allied Telesis K.K. name changedaddress changed
- Oct 30, 2015 – Sep 17, 2022 Allied Telesis R&D Center K.K. name changed
- Sep 17, 2022 – present Allied Telesis K.K.
Example addresses in this block
Where this block sits
Previous
00:1A:EA:00:00:00 /24
Radio Terminal Systems Pty Ltd
Next
00:1A:EC:00:00:00 /24
Keumbee Electronics Co.,Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Allied Telesis K.K. holds 6 registered blocks in the IEEE registry, ranking #464 of 33,421 organizations by block count.
Other blocks registered to Allied Telesis K.K.