macadress

Emerson Network Power, Avocent Division

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:E0:86:00:00:00 /24
Vendor address4991 Corporate Drive HUNTSVILLE AL US 35805
Country🇺🇸  United States
RegisteredApr 22, 1998
Block range00:E0:86:00:00:00– 00:E0:86: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 – Feb 14, 2013 CYBEX COMPUTER PRODUCTS name changedaddress changed
  2. Feb 14, 2013 – present Emerson Network Power, Avocent Division

Example addresses in this block

00:E0:86:00:00:00 00:E0:86:7F:FF:FF 00:E0:86:FF:FF:FF

Where this block sits

Previous 00:E0:85:00:00:00 /24 GLOBAL MAINTECH, INC. Next 00:E0:87:00:00:00 /24 LeCroy - Networking Productions Division

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

Emerson Network Power, Avocent Division holds 1 registered blocks in the IEEE registry, ranking #11,688 of 33,427 organizations by block count.