UNINET Co.,Ltd. MAC Prefixes: Device Identity Unknown

A MAC address beginning with either 74:37:3B or 00:68:FE identifies an IEEE MA-L registry assignment to UNINET Co.,Ltd.; the supplied records do not identify a device category. Both prefixes are 24 bits long, so an exact match fixes the first three octets and leaves 24 suffix bits, or 16,777,216 possible suffix values per prefix. That number describes address space, not devices or shipments.

For both listed prefixes, the Group and Local bits in the first octet are zero. These bits are fixed in an exact literal prefix match, so changing either bit produces a different prefix. RFC 7042 describes the Group bit as distinguishing group from individual addresses; the supplied excerpt does not define the Local bit. A captured address matching either prefix supports the registry assignment only; it does not establish a particular device, product, deployment, or security state.

The IEEE records list the registered organization name as UNINET Co.,Ltd. and include KR, an unambiguous country indication for South Korea, in the organization address. They provide no assignment dates. The supplied material contains no first-party company evidence about products, industry, website, or related vendors.

Vendor

UNINET Co.,Ltd. is the IEEE registrant for these prefixes; device identity is Unknown.

Prefixes

74:37:3B and 00:68:FE (two MA-L assignments).

Country

South Korea, indicated as KR in the IEEE records.

Address interpretation

Each exact prefix fixes 24 bits, including Group bit 0 and Local bit 0; 24 suffix bits remain.

Company

UNINET Co.,Ltd. [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv

Registry

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

Prefixes

74:37:3B, 00:68:FE [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv

Country

South Korea [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv

Device category

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