macadress

Siama Systems Inc

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix60:11:99:00:00:00 /24
Vendor address410 Saint-Nicolas Street Montreal Quebec CA H2Y 2P5
Country🇨🇦  Canada
RegisteredJan 27, 2011
Block range60:11:99:00:00:00– 60:11:99: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. Jan 27, 2011 – Feb 14, 2013 Data-Tester Inc. name changedaddress changed
  2. Feb 14, 2013 – present Siama Systems Inc

Example addresses in this block

60:11:99:00:00:00 60:11:99:7F:FF:FF 60:11:99:FF:FF:FF

Where this block sits

Siama Systems Inc holds 1 registered blocks in the IEEE registry, ranking #27,236 of 33,427 organizations by block count.