MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:06:3B:00:00:00 /24
Vendor address701 Evans Ave. - Suite 300 Toronto Ontario CA M9C 1A3
RegisteredJun 4, 2001
Block range00:06:3B:00:00:00– 00:06:3B: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. Jun 4, 2001 – Oct 14, 2002 Lineo Canada Corp. name changedaddress changed
  2. Oct 14, 2002 – Jan 30, 2013 Arcturus Networks, Inc. name changed
  3. Jan 30, 2013 – Jan 31, 2013 Arcturus Networks Inc. name changed
  4. Jan 31, 2013 – Feb 14, 2013 Arcturus Networks, Inc. name changed
  5. Feb 14, 2013 – present Arcturus Networks Inc.

Example addresses in this block

Where this block sits

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

Arcturus Networks Inc. holds 2 registered blocks in the IEEE registry, ranking #1,525 of 33,421 organizations by block count.

Other blocks registered to Arcturus Networks Inc.