macadress

HMS Industrial Networks SLU

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixCC:3F:1D:00:00:00 /24
Vendor addressMilà i Fontanals 7 Igualada Barcelona ES 08700
Country🇪🇸  Spain
RegisteredJul 8, 2014
Block rangeCC:3F:1D:00:00:00– CC:3F:1D: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. Jul 8, 2014 – Oct 1, 2021 Intesis Software SL name changedaddress changed
  2. Oct 1, 2021 – present HMS Industrial Networks SLU

Example addresses in this block

CC:3F:1D:00:00:00 CC:3F:1D:7F:FF:FF CC:3F:1D:FF:FF:FF

Where this block sits

HMS Industrial Networks SLU holds 1 registered blocks in the IEEE registry, ranking #14,984 of 33,421 organizations by block count.