macadress

IEEE 802.1 Working Group

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:80:C2:00:00:00 /24
Vendor addressIEEE 802.1 Chair, c/o RAC Administrator, IEEE Piscataway NJ US 08554
Country🇺🇸  United States
RegisteredApr 22, 1998
Block range00:80:C2:00:00:00– 00:80:C2: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 12, 2004 IEEE 802 COMMITTEE name changedaddress changed
  2. Feb 12, 2004 – Oct 17, 2015 IEEE 802.1 COMMITTEE name changedaddress changed
  3. Oct 17, 2015 – Jan 26, 2017 IEEE 802.1 name changedaddress changed
  4. Jan 26, 2017 – Oct 2, 2021 IEEE 802.1 Working Group name changedaddress changed
  5. Oct 2, 2021 – Sep 21, 2026 IEEE 802.1 Chair name changedaddress changed
  6. Sep 21, 2026 – present IEEE 802.1 Working Group

Example addresses in this block

00:80:C2:00:00:00 00:80:C2:7F:FF:FF 00:80:C2:FF:FF:FF

Where this block sits

Previous 00:80:C1:00:00:00 /24 LANEX CORPORATION Next 00:80:C3:00:00:00 /24 BICC INFORMATION SYSTEMS & SVC

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

IEEE 802.1 Working Group holds 6 registered blocks in the IEEE registry, ranking #503 of 33,427 organizations by block count.

Other blocks registered to IEEE 802.1 Working Group

00:1E:83:00:00:00 /24 MA-L 3A:A3:F8:00:00:00 /24 CID 4A:07:D6:00:00:00 /24 CID CA:30:BF:00:00:00 /24 CID FA:94:F1:00:00:00 /24 CID