macadress

Potter Electric Signal Co. LLC

MA-S
MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:44:20:00 /36
Vendor address1609 Park 370 Place Hazelwood MO US 63043
Country🇺🇸  United States
RegisteredMay 21, 2024
Block range8C:1F:64:44:20:00– 8C:1F:64:44:2F: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 21, 2024 – Jun 25, 2025 Potter Electric Signal Co LLC name changed
  2. Jun 25, 2025 – present Potter Electric Signal Co. LLC

Example addresses in this block

8C:1F:64:44:20:00 8C:1F:64:44:27:FF 8C:1F:64:44:2F:FF

Where this block sits

Previous 8C:1F:64:44:10:00 /36 Novanta IMS Next 8C:1F:64:44:40:00 /36 Contrive Srl

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

Potter Electric Signal Co. LLC holds 47 registered blocks in the IEEE registry, ranking #75 of 33,427 organizations by block count.

Other blocks registered to Potter Electric Signal Co. LLC

00:50:C2:C6:30:00 /36 IAB 00:50:C2:DF:40:00 /36 IAB 70:B3:D5:1B:E0:00 /36 MA-S 70:B3:D5:26:10:00 /36 MA-S 70:B3:D5:6D:50:00 /36 MA-S 70:B3:D5:70:C0:00 /36 MA-S 70:B3:D5:7A:40:00 /36 MA-S 70:B3:D5:83:20:00 /36 MA-S 70:B3:D5:A1:B0:00 /36 MA-S 70:B3:D5:B9:A0:00 /36 MA-S 70:B3:D5:BE:B0:00 /36 MA-S 70:B3:D5:C1:70:00 /36 MA-S