Which company owns MAC address prefix E4:92:2A?

MAC address prefix E4:92:2A is registered to DBG HOLDINGS LIMITED in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with E4:92:2A has a network interface built by DBG HOLDINGS LIMITED.

What is the OUI E4:92:2A?

E4:92:2A is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to DBG HOLDINGS LIMITED. It covers every address from E4:92:2A:00:00:00 to E4:92:2A:FF:FF:FF, or 16,777,216 addresses in total. It is also written E4-92-2A.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in E4:92:2A:00:00:00 that is E4:92:2A — 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 DBG HOLDINGS LIMITED located?

DBG HOLDINGS LIMITED is listed at UNIT D, 6/F., UNISON INDUSTRIAL CENTRE, 27-31 AUPUI WAN STREET, FOTAN, N.T. Hong Kong HK 999077 in the IEEE OUI registry entry for E4:92:2A. This is the address the organization registered with the IEEE, which may differ from its current operating address.

DBG HOLDINGS LIMITED

MAC address prefix E4:92:2A is registered to DBG HOLDINGS LIMITED in the IEEE OUI registry. Any device whose MAC address begins with E4:92:2A has a network interface built by DBG HOLDINGS LIMITED. 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 E4:92:2A:00:00:00 to E4:92:2A:FF:FF:FF.

OUI prefix: E4:92:2A
Hyphen form: E4-92-2A
MAC range: E4:92:2A:00:00:00 – E4:92:2A:FF:FF:FF
Addresses in block: 16,777,216
Organization: DBG HOLDINGS LIMITED
Address: UNIT D, 6/F., UNISON INDUSTRIAL CENTRE, 27-31 AUPUI WAN STREET, FOTAN, N.T. Hong Kong HK 999077
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.

2019-07-04Assigned to "DBG HOLDINGS LIMITED"
archived source →
2026-07-17Assigned to "DBG HOLDINGS LIMITED"

Nearby in the registry

The prefixes assigned immediately before and after E4:92:2A:

FAQ

Which company owns MAC address prefix E4:92:2A?: MAC address prefix E4:92:2A is registered to DBG HOLDINGS LIMITED in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with E4:92:2A has a network interface built by DBG HOLDINGS LIMITED.
What is the OUI E4:92:2A?: E4:92:2A is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to DBG HOLDINGS LIMITED. It covers every address from E4:92:2A:00:00:00 to E4:92:2A:FF:FF:FF, or 16,777,216 addresses in total. It is also written E4-92-2A.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in E4:92:2A:00:00:00 that is E4:92:2A — 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 DBG HOLDINGS LIMITED located?: DBG HOLDINGS LIMITED is listed at UNIT D, 6/F., UNISON INDUSTRIAL CENTRE, 27-31 AUPUI WAN STREET, FOTAN, N.T. Hong Kong HK 999077 in the IEEE OUI registry entry for E4:92:2A. This is the address the organization registered with the IEEE, which may differ from its current operating address.