MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:07:30:00 /36
Vendor address5757 Phantom Drive Hazelwood MO US 63042
Country🇺🇸 United States
RegisteredSep 7, 2024
Block range8C:1F:64:07:30:00– 8C:1F:64:07:3F: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
- Sep 7, 2024 – Jun 25, 2025 Potter Electric Signal Company name changed
- Jun 25, 2025 – present Potter Electric Signal Co. LLC
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.
Potter Electric Signal Co. LLC holds 47 registered blocks in the IEEE registry, ranking #75 of 33,421 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