macadress

I Controls, Inc.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:90:09:00:00:00 /24
Vendor address2nd Fl, I'Park 302, 11 Jeongja-Dong, Seongnam Gyeonggi-Do KR 463-859
Country🇰🇷  South Korea
RegisteredApr 22, 1998
Block range00:90:09:00:00:00– 00:90:09: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

  1. Apr 22, 1998 – Sep 8, 2000 HYUNDAI INFORMATION name changedaddress changed
  2. Sep 8, 2000 – present I Controls, Inc.

Example addresses in this block

00:90:09:00:00:00 00:90:09:7F:FF:FF 00:90:09:FF:FF:FF

Where this block sits

Previous 00:90:08:00:00:00 /24 HanA Systems Inc. Next 00:90:0A:00:00:00 /24 PROTON ELECTRONIC INDUSTRIAL CO., LTD.

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

I Controls, Inc. holds 2 registered blocks in the IEEE registry, ranking #2,225 of 33,427 organizations by block count.