MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:22:58:00:00:00 /24
Vendor address8-1 Sakae-Cho JP
Country🇯🇵 Japan
RegisteredJun 18, 2008
Block range00:22:58:00:00:00– 00:22:58: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
00:22:57:00:00:00 /24
3COM EUROPE LTD
Next
00:22:59:00:00:00 /24
Guangzhou New Postcom Equipment Co.,Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
TAIYO YUDEN CO.,LTD holds 6 registered blocks in the IEEE registry, ranking #533 of 33,421 organizations by block count.
Other blocks registered to Taiyo Yuden Co., Ltd.