macadress

COMPUTER & COMMUNICATION RESEARCH LAB.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:E0:D6:00:00:00 /24
Vendor addressCHUTUNG, HSINCHU TW
Country🇹🇼  Taiwan
RegisteredApr 22, 1998
Block range00:E0:D6:00:00:00– 00:E0:D6: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 – Jun 5, 2002 COMPUTER & COMMUNICATION name changedaddress changedcountry changed
  2. Jun 5, 2002 – present COMPUTER & COMMUNICATION RESEARCH LAB.

Example addresses in this block

00:E0:D6:00:00:00 00:E0:D6:7F:FF:FF 00:E0:D6:FF:FF:FF

Where this block sits

Previous 00:E0:D5:00:00:00 /24 Emulex Corporation Next 00:E0:D7:00:00:00 /24 SUNSHINE ELECTRONICS, INC.

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

COMPUTER & COMMUNICATION RESEARCH LAB. holds 1 registered blocks in the IEEE registry, ranking #8,923 of 33,427 organizations by block count.