TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO
MAC address prefix 54:2F:8A is registered to TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO in the IEEE OUI registry. Any device whose MAC address begins with 54:2F:8A has a network interface built by TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address — it covers every MAC from 54:2F:8A:00:00:00 to 54:2F:8A:FF:FF:FF.
- OUI prefix
- 54:2F:8A
- Hyphen form
- 54-2F-8A
- MAC range
- 54:2F:8A:00:00:00 – 54:2F:8A:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO
- Address
- Av. Buriti, 1900 – Setor B – Distrito Industrial Manaus Amazonas BR 69075-000
- Source
- IEEE OUI registry
Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.
Other prefixes from TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO
TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO holds 9 OUI prefixes in total. A device with this exact prefix could just as well carry any of these:
Assignment history (2)
The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.
- 2017-09-08Assigned to "TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO"archived source →
- 2026-07-17Assigned to "TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO"
Nearby in the registry
The prefixes assigned immediately before and after 54:2F:8A:
- Apple, Inc.54:2B:8D
- New H3C Technologies Co., Ltd54:2B:DE
- PROTECTRON54:2C:EA
- Shanghai Longcheer Technology Co., Ltd.54:2F:04
- HUAWEI TECHNOLOGIES CO.,LTD54:2F:2B
- Euclid Laboratories, Inc.54:2F:89
- Raster Vision Ltd54:31:31
- TGW Mechanics GmbH54:31:D4
- Espressif Inc.54:32:04
- Apple, Inc.54:32:C7
- Mist Systems, Inc.54:33:C6
- Apple, Inc.54:33:CB
FAQ
- Which company owns MAC address prefix 54:2F:8A?
- MAC address prefix 54:2F:8A is registered to TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 54:2F:8A has a network interface built by TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO.
- What is the OUI 54:2F:8A?
- 54:2F:8A is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO. It covers every address from 54:2F:8A:00:00:00 to 54:2F:8A:FF:FF:FF, or 16,777,216 addresses in total. It is also written 54-2F-8A.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 54:2F:8A:00:00:00 that is 54:2F:8A — and look that prefix up in the IEEE OUI registry. If the second-lowest bit of the first octet is set, the address is locally administered (a randomized or private MAC), which belongs to no manufacturer and will not resolve; modern phones and laptops use these by default on each network.
- Where is TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO located?
- TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO is listed at Av. Buriti, 1900 – Setor B – Distrito Industrial Manaus Amazonas BR 69075-000 in the IEEE OUI registry entry for 54:2F:8A. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO own?
- TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO holds 9 OUI prefixes in the IEEE registry, of which 54:2F:8A is one. A device made by TELLESCOM INDUSTRIA E COMERCIO EM TELECOMUNICACAO could carry a MAC address from any of them.