Which company owns MAC address prefix 74:05:1D?

MAC address prefix 74:05:1D is registered to Jiangxi Risound Electronics Co.,LTD in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 74:05:1D has a network interface built by Jiangxi Risound Electronics Co.,LTD.

What is the OUI 74:05:1D?

74:05:1D is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Jiangxi Risound Electronics Co.,LTD. It covers every address from 74:05:1D:00:00:00 to 74:05:1D:FF:FF:FF, or 16,777,216 addresses in total. It is also written 74-05-1D.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in 74:05:1D:00:00:00 that is 74:05:1D — 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 Jiangxi Risound Electronics Co.,LTD located?

Jiangxi Risound Electronics Co.,LTD is listed at No 271,innovation Avenue, Jinggangshan economic and Technological Development Zone Ji'an Jiangxi CN 343100 in the IEEE OUI registry entry for 74:05:1D. This is the address the organization registered with the IEEE, which may differ from its current operating address.

How many MAC prefixes does Jiangxi Risound Electronics Co.,LTD own?

Jiangxi Risound Electronics Co.,LTD holds 6 OUI prefixes in the IEEE registry, of which 74:05:1D is one. A device made by Jiangxi Risound Electronics Co.,LTD could carry a MAC address from any of them.

Jiangxi Risound Electronics Co.,LTD

MAC address prefix 74:05:1D is registered to Jiangxi Risound Electronics Co.,LTD in the IEEE OUI registry. Any device whose MAC address begins with 74:05:1D has a network interface built by Jiangxi Risound Electronics Co.,LTD. 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 74:05:1D:00:00:00 to 74:05:1D:FF:FF:FF.

OUI prefix: 74:05:1D
Hyphen form: 74-05-1D
MAC range: 74:05:1D:00:00:00 – 74:05:1D:FF:FF:FF
Addresses in block: 16,777,216
Organization: Jiangxi Risound Electronics Co.,LTD
Address: No 271,innovation Avenue, Jinggangshan economic and Technological Development Zone Ji'an Jiangxi CN 343100
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 Jiangxi Risound Electronics Co.,LTD

Jiangxi Risound Electronics Co.,LTD holds 6 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.

2024-09-17Assigned to "Jiangxi Risound Electronics Co.,LTD"
archived source →
2026-07-17Assigned to "Jiangxi Risound Electronics Co.,LTD"

Nearby in the registry

The prefixes assigned immediately before and after 74:05:1D:

FAQ

Which company owns MAC address prefix 74:05:1D?: MAC address prefix 74:05:1D is registered to Jiangxi Risound Electronics Co.,LTD in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 74:05:1D has a network interface built by Jiangxi Risound Electronics Co.,LTD.
What is the OUI 74:05:1D?: 74:05:1D is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Jiangxi Risound Electronics Co.,LTD. It covers every address from 74:05:1D:00:00:00 to 74:05:1D:FF:FF:FF, or 16,777,216 addresses in total. It is also written 74-05-1D.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in 74:05:1D:00:00:00 that is 74:05:1D — 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 Jiangxi Risound Electronics Co.,LTD located?: Jiangxi Risound Electronics Co.,LTD is listed at No 271,innovation Avenue, Jinggangshan economic and Technological Development Zone Ji'an Jiangxi CN 343100 in the IEEE OUI registry entry for 74:05:1D. This is the address the organization registered with the IEEE, which may differ from its current operating address.
How many MAC prefixes does Jiangxi Risound Electronics Co.,LTD own?: Jiangxi Risound Electronics Co.,LTD holds 6 OUI prefixes in the IEEE registry, of which 74:05:1D is one. A device made by Jiangxi Risound Electronics Co.,LTD could carry a MAC address from any of them.