Which company owns MAC address prefix A4:46:FA?

MAC address prefix A4:46:FA is registered to AmTRAN Video Corporation in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with A4:46:FA has a network interface built by AmTRAN Video Corporation.

What is the OUI A4:46:FA?

A4:46:FA is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to AmTRAN Video Corporation. It covers every address from A4:46:FA:00:00:00 to A4:46:FA:FF:FF:FF, or 16,777,216 addresses in total. It is also written A4-46-FA.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in A4:46:FA:00:00:00 that is A4:46:FA — 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 AmTRAN Video Corporation located?

AmTRAN Video Corporation is listed at 9 Goddard Irvine CA US 92618 in the IEEE OUI registry entry for A4:46:FA. This is the address the organization registered with the IEEE, which may differ from its current operating address.

AmTRAN Video Corporation

MAC address prefix A4:46:FA is registered to AmTRAN Video Corporation in the IEEE OUI registry. Any device whose MAC address begins with A4:46:FA has a network interface built by AmTRAN Video Corporation. 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 A4:46:FA:00:00:00 to A4:46:FA:FF:FF:FF.

OUI prefix: A4:46:FA
Hyphen form: A4-46-FA
MAC range: A4:46:FA:00:00:00 – A4:46:FA:FF:FF:FF
Addresses in block: 16,777,216
Organization: AmTRAN Video Corporation
Address: 9 Goddard Irvine CA US 92618
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.

Assignment history (2)

The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.

2016-07-29Assigned to "AmTRAN Video Corporation"
archived source →
2026-07-17Assigned to "AmTRAN Video Corporation"

Nearby in the registry

The prefixes assigned immediately before and after A4:46:FA:

FAQ

Which company owns MAC address prefix A4:46:FA?: MAC address prefix A4:46:FA is registered to AmTRAN Video Corporation in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with A4:46:FA has a network interface built by AmTRAN Video Corporation.
What is the OUI A4:46:FA?: A4:46:FA is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to AmTRAN Video Corporation. It covers every address from A4:46:FA:00:00:00 to A4:46:FA:FF:FF:FF, or 16,777,216 addresses in total. It is also written A4-46-FA.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in A4:46:FA:00:00:00 that is A4:46:FA — 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 AmTRAN Video Corporation located?: AmTRAN Video Corporation is listed at 9 Goddard Irvine CA US 92618 in the IEEE OUI registry entry for A4:46:FA. This is the address the organization registered with the IEEE, which may differ from its current operating address.