Which company owns MAC address prefix E0:1D:38?

MAC address prefix E0:1D:38 is registered to Beijing HuaqinWorld Technology Co.,Ltd in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with E0:1D:38 has a network interface built by Beijing HuaqinWorld Technology Co.,Ltd.

What is the OUI E0:1D:38?

E0:1D:38 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Beijing HuaqinWorld Technology Co.,Ltd. It covers every address from E0:1D:38:00:00:00 to E0:1D:38:FF:FF:FF, or 16,777,216 addresses in total. It is also written E0-1D-38.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in E0:1D:38:00:00:00 that is E0:1D:38 — 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 Beijing HuaqinWorld Technology Co.,Ltd located?

Beijing HuaqinWorld Technology Co.,Ltd is listed at 30F,Beijing Silver Tower Chao Yang Dist Beijing CN 100027 in the IEEE OUI registry entry for E0:1D:38. This is the address the organization registered with the IEEE, which may differ from its current operating address.

How many MAC prefixes does Beijing HuaqinWorld Technology Co.,Ltd own?

Beijing HuaqinWorld Technology Co.,Ltd holds 2 OUI prefixes in the IEEE registry, of which E0:1D:38 is one. A device made by Beijing HuaqinWorld Technology Co.,Ltd could carry a MAC address from any of them.

Beijing HuaqinWorld Technology Co.,Ltd

MAC address prefix E0:1D:38 is registered to Beijing HuaqinWorld Technology Co.,Ltd in the IEEE OUI registry. Any device whose MAC address begins with E0:1D:38 has a network interface built by Beijing HuaqinWorld Technology 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 E0:1D:38:00:00:00 to E0:1D:38:FF:FF:FF.

OUI prefix: E0:1D:38
Hyphen form: E0-1D-38
MAC range: E0:1D:38:00:00:00 – E0:1D:38:FF:FF:FF
Addresses in block: 16,777,216
Organization: Beijing HuaqinWorld Technology Co.,Ltd
Address: 30F,Beijing Silver Tower Chao Yang Dist Beijing CN 100027
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 Beijing HuaqinWorld Technology Co.,Ltd

Beijing HuaqinWorld Technology Co.,Ltd holds 2 OUI prefixes in total. A device with this exact prefix could just as well carry any of these:

C4:C7:55

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 "Beijing HuaqinWorld Technology Co.,Ltd"
archived source →
2026-07-17Assigned to "Beijing HuaqinWorld Technology Co.,Ltd"

Nearby in the registry

The prefixes assigned immediately before and after E0:1D:38:

FAQ

Which company owns MAC address prefix E0:1D:38?: MAC address prefix E0:1D:38 is registered to Beijing HuaqinWorld Technology Co.,Ltd in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with E0:1D:38 has a network interface built by Beijing HuaqinWorld Technology Co.,Ltd.
What is the OUI E0:1D:38?: E0:1D:38 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Beijing HuaqinWorld Technology Co.,Ltd. It covers every address from E0:1D:38:00:00:00 to E0:1D:38:FF:FF:FF, or 16,777,216 addresses in total. It is also written E0-1D-38.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in E0:1D:38:00:00:00 that is E0:1D:38 — 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 Beijing HuaqinWorld Technology Co.,Ltd located?: Beijing HuaqinWorld Technology Co.,Ltd is listed at 30F,Beijing Silver Tower Chao Yang Dist Beijing CN 100027 in the IEEE OUI registry entry for E0:1D:38. This is the address the organization registered with the IEEE, which may differ from its current operating address.
How many MAC prefixes does Beijing HuaqinWorld Technology Co.,Ltd own?: Beijing HuaqinWorld Technology Co.,Ltd holds 2 OUI prefixes in the IEEE registry, of which E0:1D:38 is one. A device made by Beijing HuaqinWorld Technology Co.,Ltd could carry a MAC address from any of them.