macadress

Avaya ECS Ltd

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:E0:07:00:00:00 /24
Vendor addressUnit 1 Sterling Court, Mundells Welwyn Garden City Hert GB AL7 1LZ
Country🇬🇧  United Kingdom
RegisteredApr 22, 1998
Block range00:E0:07:00:00:00– 00:E0:07: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 23, 2009 NETWORK ALCHEMY LTD. name changedaddress changed
  2. Jun 23, 2009 – present Avaya ECS Ltd

Example addresses in this block

00:E0:07:00:00:00 00:E0:07:7F:FF:FF 00:E0:07:FF:FF:FF

Where this block sits

Previous 00:E0:06:00:00:00 /24 SILICON INTEGRATED SYS. CORP. Next 00:E0:08:00:00:00 /24 AMAZING CONTROLS! INC.

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

Avaya ECS Ltd holds 1 registered blocks in the IEEE registry, ranking #6,023 of 33,421 organizations by block count.