macadress

Intergard do Brasil Ind e Com de Eletr e Mec Ltda

MA-M
MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix30:0A:60:30:00:00 /28
Vendor addressAvenida Capitao Casa 1485 São Bernardo do Campo Sao Paulo BR 09812000
Country🇧🇷  Brazil
RegisteredJun 17, 2018
Block range30:0A:60:30:00:00– 30:0A:60:3F:FF:FF
Address capacity1,048,576
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 17, 2018 – May 25, 2022 Private name changedaddress changedcountry changed
  2. May 25, 2022 – present Intergard do Brasil Ind e Com de Eletr e Mec Ltda

Example addresses in this block

30:0A:60:30:00:00 30:0A:60:37:FF:FF 30:0A:60:3F:FF:FF

Where this block sits

Previous 30:0A:60:20:00:00 /28 Advanced Electronic Designs, Inc. Next 30:0A:60:40:00:00 /28 AVIC JONHON OPTRONIC TECHNOLOGY CO., LTD.

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

Intergard do Brasil Ind e Com de Eletr e Mec Ltda holds 1 registered blocks in the IEEE registry, ranking #16,408 of 33,421 organizations by block count.