MAC address vendor

UEI Electronics Private Ltd. MAC prefixes: device identity Unknown

Primary prefix
30:F0:3A
Block
MA-L

Summary

// what this is
UEI Electronics Private is registered to MAC prefix 30:F0:3A and 1 more in the IEEE OUI database. When a device's MAC address begins with 30:F0:3A, that block was registered by UEI Electronics Private — the OUI identifies the maker of the network hardware, which is not always the brand on the device.
// analyst note
Both 24-bit prefixes have first-octet Group bit 0 and Local bit 0. Each leaves 24 suffix bits, allowing 16,777,216 possible suffix values; this is not an observed device or shipment count. Exact prefix matching applies to the first 24 bits. Changing either fixed bit yields a different prefix. A match establishes a registry assignment, not a particular device, operating system, present-day vendor identity, or security state.
[ 01 ] — Context

About this vendor.

Updated  ·  Confidence: High  ·  2 sources  ·  How this page is checked

A MAC address beginning with 30:F0:3A or C4:A3:EF identifies an IEEE MA-L assignment to UEI Electronics Private Ltd.; the supplied records do not identify a device category or product for either prefix.

Each assignment is 24 bits long, leaving 24 bits for the remaining address. A matching address therefore establishes that its first three octets match one of the recorded prefixes. Each prefix has 16,777,216 possible suffix values; this is an address-space count, not a count of devices or shipments.

In both assigned prefixes, the first octet has Group bit 0 and Local bit 0. RFC 7042 explains that OUIs and longer MAC prefixes are assigned with the Local bit zero and the Group bit unspecified; multicast identifiers may be constructed by turning on the Group bit, while unicast identifiers leave it zero. The assigned prefix values do not establish the use, prevalence, or safety of any observed device.

The IEEE CSV records provide no assignment dates. A prefix match indicates a registry assignment, not a particular device, operating system, current vendor identity, or security state.

Company
UEI Electronics Private Ltd. [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Prefixes
30:F0:3A (MA-L); C4:A3:EF (MA-L) [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Country
India [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Device types
Unknown [Unknown] — https://standards-oui.ieee.org/oui/oui.csv
Assignment dates
Unavailable [Unknown] — https://standards-oui.ieee.org/oui/oui.csv
[ 02 ] — OUI prefixes

Assignments by IEEE.

2
// registered prefixes2
  1. 30:F0:3AMA-L
  2. C4:A3:EFMA-L
[ 03 ] — Related

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