MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:A0:E2:00:00:00 /24
Vendor address2021-5 Houshakuji Shioya-gun Tochigi JP 329-1233
Country🇯🇵 Japan
RegisteredApr 22, 1998
Block range00:A0:E2:00:00:00– 00:A0:E2: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 – Feb 9, 2008 KEISOKU GIKEN CORP. name changedaddress changed
- Feb 9, 2008 – present Keisokugiken Corporation
Example addresses in this block
Where this block sits
Previous
00:A0:E1:00:00:00 /24
WESTPORT RESEARCH ASSOCIATES, INC.
Next
00:A0:E3:00:00:00 /24
XKL LLC
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Keisokugiken Corporation holds 1 registered blocks in the IEEE registry, ranking #17,555 of 33,427 organizations by block count.