MAC address vendor

TeraNXT Global India Pvt Ltd. MAC prefixes: vendor identified; device type Unknown

Primary prefix
40:BB:56
Block
MA-L

Summary

// what this is
TeraNXT Global India Pvt is registered to MAC prefix 40:BB:56 and 3 more in the IEEE OUI database. When a device's MAC address begins with 40:BB:56, that block was registered by TeraNXT Global India Pvt — the OUI identifies the maker of the network hardware, which is not always the brand on the device.
[ 01 ] — Context

About this vendor.

Updated  ·  Confidence: High  ·  3 sources  ·  How this page is checked

A MAC address beginning with one of the listed prefixes matches an IEEE registry assignment to TeraNXT Global India Pvt Ltd.; the assignment alone does not identify a device type or product. The supplied IEEE records contain two MA-L prefixes and two MA-M prefixes, all under this exact legal name.

The prefixes are 40:BB:56 and 88:64:A8 at 24 bits, plus 30:3D:51:A/28 and 24:A3:F0:A/28 at 28 bits. Matching the first 24 bits or 28 bits, respectively, is required. Each listed assignment has Group bit 0 and Local bit 0 in its first byte. RFC 7042 explains that these bits have special meaning in MAC identifiers; changing either bit changes the prefix match. The remaining bits allow 2^24 possible suffix values for each MA-L prefix and 2^20 for each MA-M prefix.

These are address-space possibilities, not a count of devices or shipments.

A captured matching address supports a registry-prefix match only. It does not establish deployment, prevalence, a specific product, current corporate identity, or safety. Assignment dates are unavailable in these IEEE CSV records.

Device type
Unknown [Unknown]
Registry coverage
MA-L / MA-M; 4 assignments [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv; https://standards-oui.ieee.org/oui28/mam.csv
[ 02 ] — OUI prefixes

Assignments by IEEE.

4
// registered prefixes4
  1. 40:BB:56MA-L
  2. 88:64:A8MA-L
  3. 30:3D:51:AMA-M
  4. 24:A3:F0:AMA-M
[ 03 ] — Related

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