AANetcom, Inc. MAC prefix 00:90:57: registry assignment

A MAC address beginning with 00:90:57 matches an IEEE MA-L assignment registered to AANetcom, Inc.; the record does not identify a device type or product. The assignment identifies a prefix holder in the registry, not the maker of a particular device or the address’s current user.

The prefix fixes 24 of the 48 address bits, leaving 24 suffix bits and 16,777,216 possible suffix values. That is a mathematical address-space count, not a count of devices or shipped units. In the first octet 00, the Group bit and Local bit are both zero. Changing either bit changes the literal prefix, so those variants do not match this exact prefix.

RFC 7042 describes the relationship between 48-bit MAC identifiers and assigned prefixes, and the significance of the Group and Local bits. The IEEE record provides no assignment date. No supplied source establishes products, industry, website, company status, or device categories for this legal entity.

Registry match

AANetcom, Inc. — MA-L assignment 00:90:57 [Confirmed]

Device identification

No device category is established for this prefix [Unknown]

Prefix scope

24-bit prefix with 24 suffix bits; 16,777,216 possible suffix values [Confirmed]

First-octet bits

Group bit 0 and Local bit 0 for the literal prefix [Confirmed]

Company

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

Registry

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

Prefix

00:90:57 [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv

Device type

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

Assignment dates

Assignment dates are unavailable in these IEEE CSV records. [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv