macadress

Urbidermis, S.L. (VAT ESB66435017)

MA-S
MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:38:30:00 /36
Vendor addressCtra. C-251 Km. 5,6 Parc de Belloch La Roca del Vallès Barcelona ES 08340
Country🇪🇸  Spain
RegisteredMay 6, 2023
Block range8C:1F:64:38:30:00– 8C:1F:64:38:3F:FF
Address capacity4,096
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. May 6, 2023 – Sep 3, 2026 Tristate Electronic Mfg name changedaddress changedcountry changed
  2. Sep 3, 2026 – present Urbidermis, S.L. (VAT ESB66435017)

Dates show when a change became public in the IEEE registry. How we track ownership history →

Example addresses in this block

8C:1F:64:38:30:00 8C:1F:64:38:37:FF 8C:1F:64:38:3F:FF

Where this block sits

Previous 8C:1F:64:38:20:00 /36 Shenzhen ROLSTONE Technology Co., Ltd Next 8C:1F:64:38:40:00 /36 Tango Tango

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

Urbidermis, S.L. (VAT ESB66435017) holds 1 registered blocks in the IEEE registry, ranking #31,154 of 33,498 organizations by block count.