MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix4C:93:A6:50:00:00 /28
Vendor address2001 Theurer Blvd Winona MN US 55987
RegisteredJun 6, 2020
Block range4C:93:A6:50:00:00– 4C:93:A6:5F: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.

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Ownership timeline

  1. Jun 6, 2020 – Sep 10, 2022 Private name changedaddress changedcountry changed
  2. Sep 10, 2022 – present Fastenal IP Company

Example addresses in this block

Where this block sits

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

Fastenal IP Company holds 1 registered blocks in the IEEE registry, ranking #12,535 of 33,421 organizations by block count.