Open Mesh, Inc. MAC prefixes: device identification Unknown

A MAC address beginning with F8:D9:B8 or AC:86:74 identifies an IEEE MA-L assignment to Open Mesh, Inc.; the available records do not establish a device category or specific product for either prefix. A matching prefix indicates the registered assignment, not the device’s current operator, safety, or deployment.

Both assignments are 24 bits long, leaving 24 bits for suffixes. Each therefore permits 16,777,216 possible suffix values; that is an address-space count, not a count of devices or shipments. In both prefixes, the first-byte Group bit and Local bit are zero. These bits are fixed for an exact prefix match; changing either bit produces a different prefix. RFC 7042 describes the Group and Local bits and the relationship between MAC identifiers and assigned prefixes.

The IEEE CSV records list Open Mesh, Inc. at an address in Portland, Oregon, US, for both assignments, but provide no assignment dates. This supports US as the registered address country; the evidence does not establish country of incorporation, products, industry, website, current organizational status, or related vendors.

Identification

Device category is Unknown; the records identify an MA-L registration for Open Mesh, Inc.

Full prefixes

F8:D9:B8 and AC:86:74 (both 24 bits).

Interpretation

Each prefix leaves 24 suffix bits, or 16,777,216 possible values; this does not count actual devices or shipments.

First-byte bits

Group = 0 and Local = 0 for both exact prefixes. Changing either bit changes the prefix.

Company

Open Mesh, Inc. [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv

Registry

MA-L [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv

Prefixes

F8:D9:B8, AC:86:74 [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv

Device category

Unknown [Unknown] — https://standards-oui.ieee.org/oui/oui.csv

Assignment dates

Unavailable in these IEEE CSV records [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv