MAC address vendor

ALCATEL TAISEL MAC Prefix: Registry Assignment Identified

Primary prefix
00:20:32
Block
MA-L

Summary

// what this is
Alcatel Taisel is registered to MAC prefix 00:20:32 in the IEEE OUI database. When a device's MAC address begins with 00:20:32, that block was registered by Alcatel Taisel — the OUI identifies the maker of the network hardware, which is not always the brand on the device.
// analyst note
This 24-bit prefix leaves 24 suffix bits, allowing 16,777,216 possible suffix values. The first-byte Group and Local bits are both fixed at zero for the exact prefix; changing either bit yields a different prefix. Possible suffix values do not indicate an actual device or shipment count. A prefix match identifies a registry assignment, not a particular device or security state.
[ 01 ] — Context

About this vendor.

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

A MAC address beginning 00:20:32 matches an IEEE MA-L assignment registered to ALCATEL TAISEL; the record does not identify a device category or specific product. The registry record includes an unambiguous Taiwan indication, but it does not establish where an address is deployed or who currently operates a device using it.

This is a 24-bit prefix, leaving 24 bits for suffix values: 16,777,216 possible values, not a count of devices or shipments. Its first byte is 00: the Group bit and Local bit are both fixed at zero for this exact prefix. Changing either bit produces a different prefix. A matching address supports identification of the registry assignment only; it does not prove a particular product, operating system, traffic prevalence, or security state.

Registry match
00:20:32 is assigned to ALCATEL TAISEL in MA-L. [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Device category
No device category is mapped to this exact prefix in the supplied evidence. [Unknown] — https://standards-oui.ieee.org/oui/oui.csv
Country
Taiwan is indicated in the registry record. [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Prefix scope
24 assigned bits and 24 suffix bits; the Group and Local bits in the first byte are both zero. [Confirmed] — https://www.rfc-editor.org/rfc/rfc7042.txt
Company
ALCATEL TAISEL [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Country
Taiwan [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Registry
MA-L [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Prefix
00:20:32 [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
Device category
Unknown [Unknown] — https://standards-oui.ieee.org/oui/oui.csv
[ 02 ] — OUI prefixes

Assignments by IEEE.

1
// registered prefixes1
  1. 00:20:32MA-L
[ 03 ] — Related

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