macadress

Ophir-Spiricon LLC

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:07:31:00:00:00 /24
Vendor address3050 N 300 W North Logan UT US 84341
Country🇺🇸  United States
RegisteredOct 24, 2001
Block range00:07:31:00:00:00– 00:07:31:FF:FF:FF
Address capacity16,777,216
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. Oct 24, 2001 – Feb 9, 2008 Spiricon, Inc. name changedaddress changed
  2. Feb 9, 2008 – Mar 29, 2013 Ophir-Spiricon Inc name changedaddress changed
  3. Mar 29, 2013 – present Ophir-Spiricon LLC

Example addresses in this block

00:07:31:00:00:00 00:07:31:7F:FF:FF 00:07:31:FF:FF:FF

Where this block sits

Previous 00:07:30:00:00:00 /24 Hutchison OPTEL Telecom Technology Co., Ltd. Next 00:07:32:00:00:00 /24 AAEON Technology Inc.

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

Ophir-Spiricon LLC holds 1 registered blocks in the IEEE registry, ranking #22,130 of 33,421 organizations by block count.