macadress

Sigrist-Photometer AG

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixF0:26:4C:00:00:00 /24
Vendor addressHofurlistrasse 1 Ennetbürgen CH 6373
Country🇨🇭  Switzerland
RegisteredNov 17, 2009
Block rangeF0:26:4C:00:00:00– F0:26:4C: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. Nov 17, 2009 – Jul 24, 2019 Dr. Sigrist AG name changed
  2. Jul 24, 2019 – present Sigrist-Photometer AG

Example addresses in this block

F0:26:4C:00:00:00 F0:26:4C:7F:FF:FF F0:26:4C:FF:FF:FF

Where this block sits

Sigrist-Photometer AG holds 1 registered blocks in the IEEE registry, ranking #27,385 of 33,427 organizations by block count.