macadress

Teleste Corporation

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:90:50:00:00:00 /24
Vendor addressTelestenkatu 1 LITTOINEN FI FI-20660
Country🇫🇮  Finland
RegisteredSep 8, 2000
Block range00:90:50:00:00:00– 00:90:50: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. Sep 8, 2000 – Nov 20, 2015 TELESTE OY name changedaddress changed
  2. Nov 20, 2015 – present Teleste Corporation

Example addresses in this block

00:90:50:00:00:00 00:90:50:7F:FF:FF 00:90:50:FF:FF:FF

Where this block sits

Previous 00:90:4F:00:00:00 /24 ABB POWER T&D COMPANY, INC. Next 00:90:51:00:00:00 /24 ULTIMATE TECHNOLOGY CORP.

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

Teleste Corporation holds 1 registered blocks in the IEEE registry, ranking #29,592 of 33,421 organizations by block count.